Home / 55,982.09-77,251.74-30,831.59

Finding the Fourth Proportional to 55,982.09, 77,251.74 and 30,831.59

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Solution

The fourth proportional to 55,982.09, 77,251.74 and 30,831.59 is: 42,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,982.09 : 77,251.74 = 30,831.59 : x
  2. Step 2: Convert to fraction form
    55,982.09/77,251.74 = 30,831.59/x
  3. Step 3: Cross multiply
    55,982.09x = 77,251.74 × 30,831.59
  4. Step 4: Simplify right side
    55,982.09x = 2,381,793,974.47
  5. Step 5: Solve for x
    x = 2,381,793,974.47/55,982.09
  6. Step 6: Final answer
    x = 42,545.64

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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.