Home / 49,154.76-73,732.12-12,218.76

Finding the Fourth Proportional to 49,154.76, 73,732.12 and 12,218.76

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Solution

The fourth proportional to 49,154.76, 73,732.12 and 12,218.76 is: 18,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,154.76 : 73,732.12 = 12,218.76 : x
  2. Step 2: Convert to fraction form
    49,154.76/73,732.12 = 12,218.76/x
  3. Step 3: Cross multiply
    49,154.76x = 73,732.12 × 12,218.76
  4. Step 4: Simplify right side
    49,154.76x = 900,915,078.57
  5. Step 5: Solve for x
    x = 900,915,078.57/49,154.76
  6. Step 6: Final answer
    x = 18,328.14

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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.