Home / 38,393.28-57,497.04-31,770.72

Finding the Fourth Proportional to 38,393.28, 57,497.04 and 31,770.72

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Solution

The fourth proportional to 38,393.28, 57,497.04 and 31,770.72 is: 47,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.28 : 57,497.04 = 31,770.72 : x
  2. Step 2: Convert to fraction form
    38,393.28/57,497.04 = 31,770.72/x
  3. Step 3: Cross multiply
    38,393.28x = 57,497.04 × 31,770.72
  4. Step 4: Simplify right side
    38,393.28x = 1,826,722,358.67
  5. Step 5: Solve for x
    x = 1,826,722,358.67/38,393.28
  6. Step 6: Final answer
    x = 47,579.22

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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.