Home / 47,663.20-71,446.20-27,931.60

Finding the Fourth Proportional to 47,663.20, 71,446.20 and 27,931.60

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Solution

The fourth proportional to 47,663.20, 71,446.20 and 27,931.60 is: 41,868.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,663.20 : 71,446.20 = 27,931.60 : x
  2. Step 2: Convert to fraction form
    47,663.20/71,446.20 = 27,931.60/x
  3. Step 3: Cross multiply
    47,663.20x = 71,446.20 × 27,931.60
  4. Step 4: Simplify right side
    47,663.20x = 1,995,606,679.92
  5. Step 5: Solve for x
    x = 1,995,606,679.92/47,663.20
  6. Step 6: Final answer
    x = 41,868.92

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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.