Home / 75,478.20-113,228.10-22,891.80

Finding the Fourth Proportional to 75,478.20, 113,228.10 and 22,891.80

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Solution

The fourth proportional to 75,478.20, 113,228.10 and 22,891.80 is: 34,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,478.20 : 113,228.10 = 22,891.80 : x
  2. Step 2: Convert to fraction form
    75,478.20/113,228.10 = 22,891.80/x
  3. Step 3: Cross multiply
    75,478.20x = 113,228.10 × 22,891.80
  4. Step 4: Simplify right side
    75,478.20x = 2,591,995,019.58
  5. Step 5: Solve for x
    x = 2,591,995,019.58/75,478.20
  6. Step 6: Final answer
    x = 34,340.98

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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.