Home / 36,424.92-54,637.20-20,831.52

Finding the Fourth Proportional to 36,424.92, 54,637.20 and 20,831.52

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Solution

The fourth proportional to 36,424.92, 54,637.20 and 20,831.52 is: 31,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,424.92 : 54,637.20 = 20,831.52 : x
  2. Step 2: Convert to fraction form
    36,424.92/54,637.20 = 20,831.52/x
  3. Step 3: Cross multiply
    36,424.92x = 54,637.20 × 20,831.52
  4. Step 4: Simplify right side
    36,424.92x = 1,138,175,924.54
  5. Step 5: Solve for x
    x = 1,138,175,924.54/36,424.92
  6. Step 6: Final answer
    x = 31,247.18

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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.