Home / 45,431.89-68,118.67-29,831.29

Finding the Fourth Proportional to 45,431.89, 68,118.67 and 29,831.29

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Solution

The fourth proportional to 45,431.89, 68,118.67 and 29,831.29 is: 44,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.89 : 68,118.67 = 29,831.29 : x
  2. Step 2: Convert to fraction form
    45,431.89/68,118.67 = 29,831.29/x
  3. Step 3: Cross multiply
    45,431.89x = 68,118.67 × 29,831.29
  4. Step 4: Simplify right side
    45,431.89x = 2,032,067,799.18
  5. Step 5: Solve for x
    x = 2,032,067,799.18/45,431.89
  6. Step 6: Final answer
    x = 44,727.78

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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.