Home / 38,422.96-57,631.19-21,730.48

Finding the Fourth Proportional to 38,422.96, 57,631.19 and 21,730.48

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Solution

The fourth proportional to 38,422.96, 57,631.19 and 21,730.48 is: 32,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422.96 : 57,631.19 = 21,730.48 : x
  2. Step 2: Convert to fraction form
    38,422.96/57,631.19 = 21,730.48/x
  3. Step 3: Cross multiply
    38,422.96x = 57,631.19 × 21,730.48
  4. Step 4: Simplify right side
    38,422.96x = 1,252,353,421.67
  5. Step 5: Solve for x
    x = 1,252,353,421.67/38,422.96
  6. Step 6: Final answer
    x = 32,593.88

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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.