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Finding the Fourth Proportional to 32,593.72, 44,978.94 and 18,446.20

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Solution

The fourth proportional to 32,593.72, 44,978.94 and 18,446.20 is: 25,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,593.72 : 44,978.94 = 18,446.20 : x
  2. Step 2: Convert to fraction form
    32,593.72/44,978.94 = 18,446.20/x
  3. Step 3: Cross multiply
    32,593.72x = 44,978.94 × 18,446.20
  4. Step 4: Simplify right side
    32,593.72x = 829,690,523.03
  5. Step 5: Solve for x
    x = 829,690,523.03/32,593.72
  6. Step 6: Final answer
    x = 25,455.53

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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.