Home / 47,601.20-71,333.40-26,780.72

Finding the Fourth Proportional to 47,601.20, 71,333.40 and 26,780.72

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Solution

The fourth proportional to 47,601.20, 71,333.40 and 26,780.72 is: 40,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,601.20 : 71,333.40 = 26,780.72 : x
  2. Step 2: Convert to fraction form
    47,601.20/71,333.40 = 26,780.72/x
  3. Step 3: Cross multiply
    47,601.20x = 71,333.40 × 26,780.72
  4. Step 4: Simplify right side
    47,601.20x = 1,910,359,812.05
  5. Step 5: Solve for x
    x = 1,910,359,812.05/47,601.20
  6. Step 6: Final answer
    x = 40,132.60

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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.