Home / 48,831.72-67,392.80-29,712.86

Finding the Fourth Proportional to 48,831.72, 67,392.80 and 29,712.86

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Solution

The fourth proportional to 48,831.72, 67,392.80 and 29,712.86 is: 41,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,831.72 : 67,392.80 = 29,712.86 : x
  2. Step 2: Convert to fraction form
    48,831.72/67,392.80 = 29,712.86/x
  3. Step 3: Cross multiply
    48,831.72x = 67,392.80 × 29,712.86
  4. Step 4: Simplify right side
    48,831.72x = 2,002,432,831.41
  5. Step 5: Solve for x
    x = 2,002,432,831.41/48,831.72
  6. Step 6: Final answer
    x = 41,006.81

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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.