Home / 20,024.55-30,032.10-7,545.78

Finding the Fourth Proportional to 20,024.55, 30,032.10 and 7,545.78

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Solution

The fourth proportional to 20,024.55, 30,032.10 and 7,545.78 is: 11,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.55 : 30,032.10 = 7,545.78 : x
  2. Step 2: Convert to fraction form
    20,024.55/30,032.10 = 7,545.78/x
  3. Step 3: Cross multiply
    20,024.55x = 30,032.10 × 7,545.78
  4. Step 4: Simplify right side
    20,024.55x = 226,615,619.54
  5. Step 5: Solve for x
    x = 226,615,619.54/20,024.55
  6. Step 6: Final answer
    x = 11,316.89

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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.