Home / 42,391.28-63,586.89-11,226.53

Finding the Fourth Proportional to 42,391.28, 63,586.89 and 11,226.53

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Solution

The fourth proportional to 42,391.28, 63,586.89 and 11,226.53 is: 16,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,391.28 : 63,586.89 = 11,226.53 : x
  2. Step 2: Convert to fraction form
    42,391.28/63,586.89 = 11,226.53/x
  3. Step 3: Cross multiply
    42,391.28x = 63,586.89 × 11,226.53
  4. Step 4: Simplify right side
    42,391.28x = 713,860,287.16
  5. Step 5: Solve for x
    x = 713,860,287.16/42,391.28
  6. Step 6: Final answer
    x = 16,839.79

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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.