Home / 42,540.44-63,805.19-14,459.36

Finding the Fourth Proportional to 42,540.44, 63,805.19 and 14,459.36

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Solution

The fourth proportional to 42,540.44, 63,805.19 and 14,459.36 is: 21,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,540.44 : 63,805.19 = 14,459.36 : x
  2. Step 2: Convert to fraction form
    42,540.44/63,805.19 = 14,459.36/x
  3. Step 3: Cross multiply
    42,540.44x = 63,805.19 × 14,459.36
  4. Step 4: Simplify right side
    42,540.44x = 922,581,820.76
  5. Step 5: Solve for x
    x = 922,581,820.76/42,540.44
  6. Step 6: Final answer
    x = 21,687.17

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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.