Home / 42,117.06-58,120.02-23,253.78

Finding the Fourth Proportional to 42,117.06, 58,120.02 and 23,253.78

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Solution

The fourth proportional to 42,117.06, 58,120.02 and 23,253.78 is: 32,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,117.06 : 58,120.02 = 23,253.78 : x
  2. Step 2: Convert to fraction form
    42,117.06/58,120.02 = 23,253.78/x
  3. Step 3: Cross multiply
    42,117.06x = 58,120.02 × 23,253.78
  4. Step 4: Simplify right side
    42,117.06x = 1,351,510,158.68
  5. Step 5: Solve for x
    x = 1,351,510,158.68/42,117.06
  6. Step 6: Final answer
    x = 32,089.38

Related Problems

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Half scale
Find fourth proportional to 84,234.12, 116,240.04 and 46,507.56
Double scale
Find fourth proportional to 42,118.06, 58,121.40 and 23,254.78
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.