Home / 42,209.70-63,314.55-38,127.30

Finding the Fourth Proportional to 42,209.70, 63,314.55 and 38,127.30

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Solution

The fourth proportional to 42,209.70, 63,314.55 and 38,127.30 is: 57,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209.70 : 63,314.55 = 38,127.30 : x
  2. Step 2: Convert to fraction form
    42,209.70/63,314.55 = 38,127.30/x
  3. Step 3: Cross multiply
    42,209.70x = 63,314.55 × 38,127.30
  4. Step 4: Simplify right side
    42,209.70x = 2,414,012,842.22
  5. Step 5: Solve for x
    x = 2,414,012,842.22/42,209.70
  6. Step 6: Final answer
    x = 57,190.95

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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.