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Finding the Fourth Proportional to 36,023.80, 54,006.90 and 15,230.20

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Solution

The fourth proportional to 36,023.80, 54,006.90 and 15,230.20 is: 22,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,023.80 : 54,006.90 = 15,230.20 : x
  2. Step 2: Convert to fraction form
    36,023.80/54,006.90 = 15,230.20/x
  3. Step 3: Cross multiply
    36,023.80x = 54,006.90 × 15,230.20
  4. Step 4: Simplify right side
    36,023.80x = 822,535,888.38
  5. Step 5: Solve for x
    x = 822,535,888.38/36,023.80
  6. Step 6: Final answer
    x = 22,833.12

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1.5x scale

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.