Home / 47,731.76-65,865.97-27,589.95

Finding the Fourth Proportional to 47,731.76, 65,865.97 and 27,589.95

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Solution

The fourth proportional to 47,731.76, 65,865.97 and 27,589.95 is: 38,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.76 : 65,865.97 = 27,589.95 : x
  2. Step 2: Convert to fraction form
    47,731.76/65,865.97 = 27,589.95/x
  3. Step 3: Cross multiply
    47,731.76x = 65,865.97 × 27,589.95
  4. Step 4: Simplify right side
    47,731.76x = 1,817,238,819.00
  5. Step 5: Solve for x
    x = 1,817,238,819.00/47,731.76
  6. Step 6: Final answer
    x = 38,071.90

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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.