Home / 42,001.80-62,856.90-38,502.60

Finding the Fourth Proportional to 42,001.80, 62,856.90 and 38,502.60

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Solution

The fourth proportional to 42,001.80, 62,856.90 and 38,502.60 is: 57,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.80 : 62,856.90 = 38,502.60 : x
  2. Step 2: Convert to fraction form
    42,001.80/62,856.90 = 38,502.60/x
  3. Step 3: Cross multiply
    42,001.80x = 62,856.90 × 38,502.60
  4. Step 4: Simplify right side
    42,001.80x = 2,420,154,077.94
  5. Step 5: Solve for x
    x = 2,420,154,077.94/42,001.80
  6. Step 6: Final answer
    x = 57,620.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.