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Finding the Fourth Proportional to 32,290.92, 48,443.03 and 13,559.94

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Solution

The fourth proportional to 32,290.92, 48,443.03 and 13,559.94 is: 20,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,290.92 : 48,443.03 = 13,559.94 : x
  2. Step 2: Convert to fraction form
    32,290.92/48,443.03 = 13,559.94/x
  3. Step 3: Cross multiply
    32,290.92x = 48,443.03 × 13,559.94
  4. Step 4: Simplify right side
    32,290.92x = 656,884,512.42
  5. Step 5: Solve for x
    x = 656,884,512.42/32,290.92
  6. Step 6: Final answer
    x = 20,342.70

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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.