Home / 54,712.24-82,072.38-19,652.20

Finding the Fourth Proportional to 54,712.24, 82,072.38 and 19,652.20

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Solution

The fourth proportional to 54,712.24, 82,072.38 and 19,652.20 is: 29,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.24 : 82,072.38 = 19,652.20 : x
  2. Step 2: Convert to fraction form
    54,712.24/82,072.38 = 19,652.20/x
  3. Step 3: Cross multiply
    54,712.24x = 82,072.38 × 19,652.20
  4. Step 4: Simplify right side
    54,712.24x = 1,612,902,826.24
  5. Step 5: Solve for x
    x = 1,612,902,826.24/54,712.24
  6. Step 6: Final answer
    x = 29,479.74

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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.