Home / 47,844.66-71,761.35-12,787.02

Finding the Fourth Proportional to 47,844.66, 71,761.35 and 12,787.02

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Solution

The fourth proportional to 47,844.66, 71,761.35 and 12,787.02 is: 19,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,844.66 : 71,761.35 = 12,787.02 : x
  2. Step 2: Convert to fraction form
    47,844.66/71,761.35 = 12,787.02/x
  3. Step 3: Cross multiply
    47,844.66x = 71,761.35 × 12,787.02
  4. Step 4: Simplify right side
    47,844.66x = 917,613,817.68
  5. Step 5: Solve for x
    x = 917,613,817.68/47,844.66
  6. Step 6: Final answer
    x = 19,179.02

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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.