Home / 38,079.83-57,172.17-19,372.54

Finding the Fourth Proportional to 38,079.83, 57,172.17 and 19,372.54

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Solution

The fourth proportional to 38,079.83, 57,172.17 and 19,372.54 is: 29,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.83 : 57,172.17 = 19,372.54 : x
  2. Step 2: Convert to fraction form
    38,079.83/57,172.17 = 19,372.54/x
  3. Step 3: Cross multiply
    38,079.83x = 57,172.17 × 19,372.54
  4. Step 4: Simplify right side
    38,079.83x = 1,107,570,150.21
  5. Step 5: Solve for x
    x = 1,107,570,150.21/38,079.83
  6. Step 6: Final answer
    x = 29,085.48

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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.