Home / 42,539.31-63,808.97-11,373.75

Finding the Fourth Proportional to 42,539.31, 63,808.97 and 11,373.75

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Solution

The fourth proportional to 42,539.31, 63,808.97 and 11,373.75 is: 17,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.31 : 63,808.97 = 11,373.75 : x
  2. Step 2: Convert to fraction form
    42,539.31/63,808.97 = 11,373.75/x
  3. Step 3: Cross multiply
    42,539.31x = 63,808.97 × 11,373.75
  4. Step 4: Simplify right side
    42,539.31x = 725,747,215.67
  5. Step 5: Solve for x
    x = 725,747,215.67/42,539.31
  6. Step 6: Final answer
    x = 17,060.63

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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.