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Finding the Fourth Proportional to 52,294.57, 72,165.57 and 28,421.32

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Solution

The fourth proportional to 52,294.57, 72,165.57 and 28,421.32 is: 39,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,294.57 : 72,165.57 = 28,421.32 : x
  2. Step 2: Convert to fraction form
    52,294.57/72,165.57 = 28,421.32/x
  3. Step 3: Cross multiply
    52,294.57x = 72,165.57 × 28,421.32
  4. Step 4: Simplify right side
    52,294.57x = 2,051,040,757.95
  5. Step 5: Solve for x
    x = 2,051,040,757.95/52,294.57
  6. Step 6: Final answer
    x = 39,220.91

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1.5x scale

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.