Home / 40,146.42-55,402.02-22,242.54

Finding the Fourth Proportional to 40,146.42, 55,402.02 and 22,242.54

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Solution

The fourth proportional to 40,146.42, 55,402.02 and 22,242.54 is: 30,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.42 : 55,402.02 = 22,242.54 : x
  2. Step 2: Convert to fraction form
    40,146.42/55,402.02 = 22,242.54/x
  3. Step 3: Cross multiply
    40,146.42x = 55,402.02 × 22,242.54
  4. Step 4: Simplify right side
    40,146.42x = 1,232,281,645.93
  5. Step 5: Solve for x
    x = 1,232,281,645.93/40,146.42
  6. Step 6: Final answer
    x = 30,694.68

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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.