Home / 47,701.20-71,528.76-27,986.16

Finding the Fourth Proportional to 47,701.20, 71,528.76 and 27,986.16

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Solution

The fourth proportional to 47,701.20, 71,528.76 and 27,986.16 is: 41,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,701.20 : 71,528.76 = 27,986.16 : x
  2. Step 2: Convert to fraction form
    47,701.20/71,528.76 = 27,986.16/x
  3. Step 3: Cross multiply
    47,701.20x = 71,528.76 × 27,986.16
  4. Step 4: Simplify right side
    47,701.20x = 2,001,815,321.96
  5. Step 5: Solve for x
    x = 2,001,815,321.96/47,701.20
  6. Step 6: Final answer
    x = 41,965.72

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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.