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Finding the Fourth Proportional to 56,144.48, 84,267.72 and 29,871.20

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Solution

The fourth proportional to 56,144.48, 84,267.72 and 29,871.20 is: 44,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,144.48 : 84,267.72 = 29,871.20 : x
  2. Step 2: Convert to fraction form
    56,144.48/84,267.72 = 29,871.20/x
  3. Step 3: Cross multiply
    56,144.48x = 84,267.72 × 29,871.20
  4. Step 4: Simplify right side
    56,144.48x = 2,517,177,917.66
  5. Step 5: Solve for x
    x = 2,517,177,917.66/56,144.48
  6. Step 6: Final answer
    x = 44,833.93

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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.