Home / 47,475.83-71,229.30-19,419.48

Finding the Fourth Proportional to 47,475.83, 71,229.30 and 19,419.48

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Solution

The fourth proportional to 47,475.83, 71,229.30 and 19,419.48 is: 29,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,475.83 : 71,229.30 = 19,419.48 : x
  2. Step 2: Convert to fraction form
    47,475.83/71,229.30 = 19,419.48/x
  3. Step 3: Cross multiply
    47,475.83x = 71,229.30 × 19,419.48
  4. Step 4: Simplify right side
    47,475.83x = 1,383,235,966.76
  5. Step 5: Solve for x
    x = 1,383,235,966.76/47,475.83
  6. Step 6: Final answer
    x = 29,135.58

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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.