Home / 63,787.12-95,701.20-19,422.44

Finding the Fourth Proportional to 63,787.12, 95,701.20 and 19,422.44

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Solution

The fourth proportional to 63,787.12, 95,701.20 and 19,422.44 is: 29,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,787.12 : 95,701.20 = 19,422.44 : x
  2. Step 2: Convert to fraction form
    63,787.12/95,701.20 = 19,422.44/x
  3. Step 3: Cross multiply
    63,787.12x = 95,701.20 × 19,422.44
  4. Step 4: Simplify right side
    63,787.12x = 1,858,750,814.93
  5. Step 5: Solve for x
    x = 1,858,750,814.93/63,787.12
  6. Step 6: Final answer
    x = 29,139.91

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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.