Home / 54,764.47-82,146.71-21,500.20

Finding the Fourth Proportional to 54,764.47, 82,146.71 and 21,500.20

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Solution

The fourth proportional to 54,764.47, 82,146.71 and 21,500.20 is: 32,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,764.47 : 82,146.71 = 21,500.20 : x
  2. Step 2: Convert to fraction form
    54,764.47/82,146.71 = 21,500.20/x
  3. Step 3: Cross multiply
    54,764.47x = 82,146.71 × 21,500.20
  4. Step 4: Simplify right side
    54,764.47x = 1,766,170,694.34
  5. Step 5: Solve for x
    x = 1,766,170,694.34/54,764.47
  6. Step 6: Final answer
    x = 32,250.30

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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.