Home / 55,982.23-77,251.92-30,831.73

Finding the Fourth Proportional to 55,982.23, 77,251.92 and 30,831.73

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Solution

The fourth proportional to 55,982.23, 77,251.92 and 30,831.73 is: 42,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,982.23 : 77,251.92 = 30,831.73 : x
  2. Step 2: Convert to fraction form
    55,982.23/77,251.92 = 30,831.73/x
  3. Step 3: Cross multiply
    55,982.23x = 77,251.92 × 30,831.73
  4. Step 4: Simplify right side
    55,982.23x = 2,381,810,339.42
  5. Step 5: Solve for x
    x = 2,381,810,339.42/55,982.23
  6. Step 6: Final answer
    x = 42,545.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.