Home / 49,127.76-73,691.64-12,191.76

Finding the Fourth Proportional to 49,127.76, 73,691.64 and 12,191.76

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Solution

The fourth proportional to 49,127.76, 73,691.64 and 12,191.76 is: 18,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,127.76 : 73,691.64 = 12,191.76 : x
  2. Step 2: Convert to fraction form
    49,127.76/73,691.64 = 12,191.76/x
  3. Step 3: Cross multiply
    49,127.76x = 73,691.64 × 12,191.76
  4. Step 4: Simplify right side
    49,127.76x = 898,430,788.89
  5. Step 5: Solve for x
    x = 898,430,788.89/49,127.76
  6. Step 6: Final answer
    x = 18,287.64

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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.