Home / 47,731.22-65,865.75-27,572.30

Finding the Fourth Proportional to 47,731.22, 65,865.75 and 27,572.30

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Solution

The fourth proportional to 47,731.22, 65,865.75 and 27,572.30 is: 38,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.22 : 65,865.75 = 27,572.30 : x
  2. Step 2: Convert to fraction form
    47,731.22/65,865.75 = 27,572.30/x
  3. Step 3: Cross multiply
    47,731.22x = 65,865.75 × 27,572.30
  4. Step 4: Simplify right side
    47,731.22x = 1,816,070,218.73
  5. Step 5: Solve for x
    x = 1,816,070,218.73/47,731.22
  6. Step 6: Final answer
    x = 38,047.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.