Home / 54,920.20-82,380.30-15,476.80

Finding the Fourth Proportional to 54,920.20, 82,380.30 and 15,476.80

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Solution

The fourth proportional to 54,920.20, 82,380.30 and 15,476.80 is: 23,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.20 : 82,380.30 = 15,476.80 : x
  2. Step 2: Convert to fraction form
    54,920.20/82,380.30 = 15,476.80/x
  3. Step 3: Cross multiply
    54,920.20x = 82,380.30 × 15,476.80
  4. Step 4: Simplify right side
    54,920.20x = 1,274,983,427.04
  5. Step 5: Solve for x
    x = 1,274,983,427.04/54,920.20
  6. Step 6: Final answer
    x = 23,215.20

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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.