Home / 45,079.17-67,600.31-20,102.14

Finding the Fourth Proportional to 45,079.17, 67,600.31 and 20,102.14

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Solution

The fourth proportional to 45,079.17, 67,600.31 and 20,102.14 is: 30,144.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,079.17 : 67,600.31 = 20,102.14 : x
  2. Step 2: Convert to fraction form
    45,079.17/67,600.31 = 20,102.14/x
  3. Step 3: Cross multiply
    45,079.17x = 67,600.31 × 20,102.14
  4. Step 4: Simplify right side
    45,079.17x = 1,358,910,879.65
  5. Step 5: Solve for x
    x = 1,358,910,879.65/45,079.17
  6. Step 6: Final answer
    x = 30,144.99

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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.