Home / 54,545.91-81,831.06-19,008.87

Finding the Fourth Proportional to 54,545.91, 81,831.06 and 19,008.87

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Solution

The fourth proportional to 54,545.91, 81,831.06 and 19,008.87 is: 28,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,545.91 : 81,831.06 = 19,008.87 : x
  2. Step 2: Convert to fraction form
    54,545.91/81,831.06 = 19,008.87/x
  3. Step 3: Cross multiply
    54,545.91x = 81,831.06 × 19,008.87
  4. Step 4: Simplify right side
    54,545.91x = 1,555,515,981.50
  5. Step 5: Solve for x
    x = 1,555,515,981.50/54,545.91
  6. Step 6: Final answer
    x = 28,517.55

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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.