Home / 45,480.80-62,729.97-30,366.20

Finding the Fourth Proportional to 45,480.80, 62,729.97 and 30,366.20

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Solution

The fourth proportional to 45,480.80, 62,729.97 and 30,366.20 is: 41,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,480.80 : 62,729.97 = 30,366.20 : x
  2. Step 2: Convert to fraction form
    45,480.80/62,729.97 = 30,366.20/x
  3. Step 3: Cross multiply
    45,480.80x = 62,729.97 × 30,366.20
  4. Step 4: Simplify right side
    45,480.80x = 1,904,870,815.01
  5. Step 5: Solve for x
    x = 1,904,870,815.01/45,480.80
  6. Step 6: Final answer
    x = 41,882.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.