Home / 63,132.12-94,677.62-21,000.89

Finding the Fourth Proportional to 63,132.12, 94,677.62 and 21,000.89

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Solution

The fourth proportional to 63,132.12, 94,677.62 and 21,000.89 is: 31,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,132.12 : 94,677.62 = 21,000.89 : x
  2. Step 2: Convert to fraction form
    63,132.12/94,677.62 = 21,000.89/x
  3. Step 3: Cross multiply
    63,132.12x = 94,677.62 × 21,000.89
  4. Step 4: Simplify right side
    63,132.12x = 1,988,314,414.77
  5. Step 5: Solve for x
    x = 1,988,314,414.77/63,132.12
  6. Step 6: Final answer
    x = 31,494.50

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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.