Home / 38,279.56-57,275.06-34,394.80

Finding the Fourth Proportional to 38,279.56, 57,275.06 and 34,394.80

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Solution

The fourth proportional to 38,279.56, 57,275.06 and 34,394.80 is: 51,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.56 : 57,275.06 = 34,394.80 : x
  2. Step 2: Convert to fraction form
    38,279.56/57,275.06 = 34,394.80/x
  3. Step 3: Cross multiply
    38,279.56x = 57,275.06 × 34,394.80
  4. Step 4: Simplify right side
    38,279.56x = 1,969,964,233.69
  5. Step 5: Solve for x
    x = 1,969,964,233.69/38,279.56
  6. Step 6: Final answer
    x = 51,462.56

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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.