Home / 80,316.24-120,471.39-38,226.48

Finding the Fourth Proportional to 80,316.24, 120,471.39 and 38,226.48

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Solution

The fourth proportional to 80,316.24, 120,471.39 and 38,226.48 is: 57,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,316.24 : 120,471.39 = 38,226.48 : x
  2. Step 2: Convert to fraction form
    80,316.24/120,471.39 = 38,226.48/x
  3. Step 3: Cross multiply
    80,316.24x = 120,471.39 × 38,226.48
  4. Step 4: Simplify right side
    80,316.24x = 4,605,197,180.41
  5. Step 5: Solve for x
    x = 4,605,197,180.41/80,316.24
  6. Step 6: Final answer
    x = 57,338.31

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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.