Home / 45,350.68-68,049.06-20,385.70

Finding the Fourth Proportional to 45,350.68, 68,049.06 and 20,385.70

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Solution

The fourth proportional to 45,350.68, 68,049.06 and 20,385.70 is: 30,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,350.68 : 68,049.06 = 20,385.70 : x
  2. Step 2: Convert to fraction form
    45,350.68/68,049.06 = 20,385.70/x
  3. Step 3: Cross multiply
    45,350.68x = 68,049.06 × 20,385.70
  4. Step 4: Simplify right side
    45,350.68x = 1,387,227,722.44
  5. Step 5: Solve for x
    x = 1,387,227,722.44/45,350.68
  6. Step 6: Final answer
    x = 30,588.91

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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.