Home / 54,545.78-81,818.54-15,102.77

Finding the Fourth Proportional to 54,545.78, 81,818.54 and 15,102.77

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Solution

The fourth proportional to 54,545.78, 81,818.54 and 15,102.77 is: 22,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,545.78 : 81,818.54 = 15,102.77 : x
  2. Step 2: Convert to fraction form
    54,545.78/81,818.54 = 15,102.77/x
  3. Step 3: Cross multiply
    54,545.78x = 81,818.54 × 15,102.77
  4. Step 4: Simplify right side
    54,545.78x = 1,235,686,163.38
  5. Step 5: Solve for x
    x = 1,235,686,163.38/54,545.78
  6. Step 6: Final answer
    x = 22,654.11

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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.