Home / 42,139.90-58,164.24-24,236.92

Finding the Fourth Proportional to 42,139.90, 58,164.24 and 24,236.92

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Solution

The fourth proportional to 42,139.90, 58,164.24 and 24,236.92 is: 33,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,139.90 : 58,164.24 = 24,236.92 : x
  2. Step 2: Convert to fraction form
    42,139.90/58,164.24 = 24,236.92/x
  3. Step 3: Cross multiply
    42,139.90x = 58,164.24 × 24,236.92
  4. Step 4: Simplify right side
    42,139.90x = 1,409,722,031.74
  5. Step 5: Solve for x
    x = 1,409,722,031.74/42,139.90
  6. Step 6: Final answer
    x = 33,453.38

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Half scale
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Double scale
Find fourth proportional to 42,140.90, 58,165.62 and 24,237.92
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.