Home / 38,810.61-58,120.34-22,129.47

Finding the Fourth Proportional to 38,810.61, 58,120.34 and 22,129.47

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Solution

The fourth proportional to 38,810.61, 58,120.34 and 22,129.47 is: 33,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.61 : 58,120.34 = 22,129.47 : x
  2. Step 2: Convert to fraction form
    38,810.61/58,120.34 = 22,129.47/x
  3. Step 3: Cross multiply
    38,810.61x = 58,120.34 × 22,129.47
  4. Step 4: Simplify right side
    38,810.61x = 1,286,172,209.77
  5. Step 5: Solve for x
    x = 1,286,172,209.77/38,810.61
  6. Step 6: Final answer
    x = 33,139.71

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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.