Home / 54,422.70-81,556.17-31,000.74

Finding the Fourth Proportional to 54,422.70, 81,556.17 and 31,000.74

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Solution

The fourth proportional to 54,422.70, 81,556.17 and 31,000.74 is: 46,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,422.70 : 81,556.17 = 31,000.74 : x
  2. Step 2: Convert to fraction form
    54,422.70/81,556.17 = 31,000.74/x
  3. Step 3: Cross multiply
    54,422.70x = 81,556.17 × 31,000.74
  4. Step 4: Simplify right side
    54,422.70x = 2,528,301,621.57
  5. Step 5: Solve for x
    x = 2,528,301,621.57/54,422.70
  6. Step 6: Final answer
    x = 46,456.75

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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.