Home / 42,419.62-63,603.27-14,337.02

Finding the Fourth Proportional to 42,419.62, 63,603.27 and 14,337.02

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Solution

The fourth proportional to 42,419.62, 63,603.27 and 14,337.02 is: 21,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,419.62 : 63,603.27 = 14,337.02 : x
  2. Step 2: Convert to fraction form
    42,419.62/63,603.27 = 14,337.02/x
  3. Step 3: Cross multiply
    42,419.62x = 63,603.27 × 14,337.02
  4. Step 4: Simplify right side
    42,419.62x = 911,881,354.06
  5. Step 5: Solve for x
    x = 911,881,354.06/42,419.62
  6. Step 6: Final answer
    x = 21,496.69

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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.