Home / 35,545.52-53,321.11-20,755.93

Finding the Fourth Proportional to 35,545.52, 53,321.11 and 20,755.93

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Solution

The fourth proportional to 35,545.52, 53,321.11 and 20,755.93 is: 31,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.52 : 53,321.11 = 20,755.93 : x
  2. Step 2: Convert to fraction form
    35,545.52/53,321.11 = 20,755.93/x
  3. Step 3: Cross multiply
    35,545.52x = 53,321.11 × 20,755.93
  4. Step 4: Simplify right side
    35,545.52x = 1,106,729,226.68
  5. Step 5: Solve for x
    x = 1,106,729,226.68/35,545.52
  6. Step 6: Final answer
    x = 31,135.55

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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.