Home / 49,876.32-68,854.24-34,781.28

Finding the Fourth Proportional to 49,876.32, 68,854.24 and 34,781.28

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Solution

The fourth proportional to 49,876.32, 68,854.24 and 34,781.28 is: 48,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,876.32 : 68,854.24 = 34,781.28 : x
  2. Step 2: Convert to fraction form
    49,876.32/68,854.24 = 34,781.28/x
  3. Step 3: Cross multiply
    49,876.32x = 68,854.24 × 34,781.28
  4. Step 4: Simplify right side
    49,876.32x = 2,394,838,600.63
  5. Step 5: Solve for x
    x = 2,394,838,600.63/49,876.32
  6. Step 6: Final answer
    x = 48,015.54

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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.