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Finding the Fourth Proportional to 52,902.46, 79,354 and 21,327.04

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Solution

The fourth proportional to 52,902.46, 79,354 and 21,327.04 is: 31,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,902.46 : 79,354 = 21,327.04 : x
  2. Step 2: Convert to fraction form
    52,902.46/79,354 = 21,327.04/x
  3. Step 3: Cross multiply
    52,902.46x = 79,354 × 21,327.04
  4. Step 4: Simplify right side
    52,902.46x = 1,692,385,932.16
  5. Step 5: Solve for x
    x = 1,692,385,932.16/52,902.46
  6. Step 6: Final answer
    x = 31,990.68

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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.