Home / 49,678.13-68,531.73-29,520.75

Finding the Fourth Proportional to 49,678.13, 68,531.73 and 29,520.75

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Solution

The fourth proportional to 49,678.13, 68,531.73 and 29,520.75 is: 40,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.13 : 68,531.73 = 29,520.75 : x
  2. Step 2: Convert to fraction form
    49,678.13/68,531.73 = 29,520.75/x
  3. Step 3: Cross multiply
    49,678.13x = 68,531.73 × 29,520.75
  4. Step 4: Simplify right side
    49,678.13x = 2,023,107,920.79
  5. Step 5: Solve for x
    x = 2,023,107,920.79/49,678.13
  6. Step 6: Final answer
    x = 40,724.32

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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.