Home / 62,117.28-85,713.12-35,251.20

Finding the Fourth Proportional to 62,117.28, 85,713.12 and 35,251.20

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Solution

The fourth proportional to 62,117.28, 85,713.12 and 35,251.20 is: 48,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,117.28 : 85,713.12 = 35,251.20 : x
  2. Step 2: Convert to fraction form
    62,117.28/85,713.12 = 35,251.20/x
  3. Step 3: Cross multiply
    62,117.28x = 85,713.12 × 35,251.20
  4. Step 4: Simplify right side
    62,117.28x = 3,021,490,335.74
  5. Step 5: Solve for x
    x = 3,021,490,335.74/62,117.28
  6. Step 6: Final answer
    x = 48,641.70

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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.