Home / 47,680.64-71,511.16-19,573.28

Finding the Fourth Proportional to 47,680.64, 71,511.16 and 19,573.28

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Solution

The fourth proportional to 47,680.64, 71,511.16 and 19,573.28 is: 29,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,680.64 : 71,511.16 = 19,573.28 : x
  2. Step 2: Convert to fraction form
    47,680.64/71,511.16 = 19,573.28/x
  3. Step 3: Cross multiply
    47,680.64x = 71,511.16 × 19,573.28
  4. Step 4: Simplify right side
    47,680.64x = 1,399,707,957.80
  5. Step 5: Solve for x
    x = 1,399,707,957.80/47,680.64
  6. Step 6: Final answer
    x = 29,355.90

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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.