Home / 38,974.23-58,470-18,186.39

Finding the Fourth Proportional to 38,974.23, 58,470 and 18,186.39

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Solution

The fourth proportional to 38,974.23, 58,470 and 18,186.39 is: 27,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,974.23 : 58,470 = 18,186.39 : x
  2. Step 2: Convert to fraction form
    38,974.23/58,470 = 18,186.39/x
  3. Step 3: Cross multiply
    38,974.23x = 58,470 × 18,186.39
  4. Step 4: Simplify right side
    38,974.23x = 1,063,358,223.30
  5. Step 5: Solve for x
    x = 1,063,358,223.30/38,974.23
  6. Step 6: Final answer
    x = 27,283.62

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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.