Home / 38,828.62-58,169.07-20,080.57

Finding the Fourth Proportional to 38,828.62, 58,169.07 and 20,080.57

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Solution

The fourth proportional to 38,828.62, 58,169.07 and 20,080.57 is: 30,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828.62 : 58,169.07 = 20,080.57 : x
  2. Step 2: Convert to fraction form
    38,828.62/58,169.07 = 20,080.57/x
  3. Step 3: Cross multiply
    38,828.62x = 58,169.07 × 20,080.57
  4. Step 4: Simplify right side
    38,828.62x = 1,168,068,081.97
  5. Step 5: Solve for x
    x = 1,168,068,081.97/38,828.62
  6. Step 6: Final answer
    x = 30,082.66

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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.