Home / 47,649.12-71,474.76-18,080.88

Finding the Fourth Proportional to 47,649.12, 71,474.76 and 18,080.88

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Solution

The fourth proportional to 47,649.12, 71,474.76 and 18,080.88 is: 27,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.12 : 71,474.76 = 18,080.88 : x
  2. Step 2: Convert to fraction form
    47,649.12/71,474.76 = 18,080.88/x
  3. Step 3: Cross multiply
    47,649.12x = 71,474.76 × 18,080.88
  4. Step 4: Simplify right side
    47,649.12x = 1,292,326,558.59
  5. Step 5: Solve for x
    x = 1,292,326,558.59/47,649.12
  6. Step 6: Final answer
    x = 27,121.73

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1.5x scale

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.