Home / 47,787.03-71,680.55-21,461.04

Finding the Fourth Proportional to 47,787.03, 71,680.55 and 21,461.04

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Solution

The fourth proportional to 47,787.03, 71,680.55 and 21,461.04 is: 32,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,787.03 : 71,680.55 = 21,461.04 : x
  2. Step 2: Convert to fraction form
    47,787.03/71,680.55 = 21,461.04/x
  3. Step 3: Cross multiply
    47,787.03x = 71,680.55 × 21,461.04
  4. Step 4: Simplify right side
    47,787.03x = 1,538,339,043.47
  5. Step 5: Solve for x
    x = 1,538,339,043.47/47,787.03
  6. Step 6: Final answer
    x = 32,191.56

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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.