Home / 63,887.74-88,171.64-38,402.35

Finding the Fourth Proportional to 63,887.74, 88,171.64 and 38,402.35

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Solution

The fourth proportional to 63,887.74, 88,171.64 and 38,402.35 is: 52,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,887.74 : 88,171.64 = 38,402.35 : x
  2. Step 2: Convert to fraction form
    63,887.74/88,171.64 = 38,402.35/x
  3. Step 3: Cross multiply
    63,887.74x = 88,171.64 × 38,402.35
  4. Step 4: Simplify right side
    63,887.74x = 3,385,998,406.89
  5. Step 5: Solve for x
    x = 3,385,998,406.89/63,887.74
  6. Step 6: Final answer
    x = 52,999.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.