Home / 62,820.43-94,234.19-20,129.58

Finding the Fourth Proportional to 62,820.43, 94,234.19 and 20,129.58

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Solution

The fourth proportional to 62,820.43, 94,234.19 and 20,129.58 is: 30,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,820.43 : 94,234.19 = 20,129.58 : x
  2. Step 2: Convert to fraction form
    62,820.43/94,234.19 = 20,129.58/x
  3. Step 3: Cross multiply
    62,820.43x = 94,234.19 × 20,129.58
  4. Step 4: Simplify right side
    62,820.43x = 1,896,894,565.69
  5. Step 5: Solve for x
    x = 1,896,894,565.69/62,820.43
  6. Step 6: Final answer
    x = 30,195.51

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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.