Home / 42,655.97-63,996.26-13,078.17

Finding the Fourth Proportional to 42,655.97, 63,996.26 and 13,078.17

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Solution

The fourth proportional to 42,655.97, 63,996.26 and 13,078.17 is: 19,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.97 : 63,996.26 = 13,078.17 : x
  2. Step 2: Convert to fraction form
    42,655.97/63,996.26 = 13,078.17/x
  3. Step 3: Cross multiply
    42,655.97x = 63,996.26 × 13,078.17
  4. Step 4: Simplify right side
    42,655.97x = 836,953,902.25
  5. Step 5: Solve for x
    x = 836,953,902.25/42,655.97
  6. Step 6: Final answer
    x = 19,621.02

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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.