Home / 38,076.66-57,134.19-21,455.22

Finding the Fourth Proportional to 38,076.66, 57,134.19 and 21,455.22

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Solution

The fourth proportional to 38,076.66, 57,134.19 and 21,455.22 is: 32,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.66 : 57,134.19 = 21,455.22 : x
  2. Step 2: Convert to fraction form
    38,076.66/57,134.19 = 21,455.22/x
  3. Step 3: Cross multiply
    38,076.66x = 57,134.19 × 21,455.22
  4. Step 4: Simplify right side
    38,076.66x = 1,225,826,615.97
  5. Step 5: Solve for x
    x = 1,225,826,615.97/38,076.66
  6. Step 6: Final answer
    x = 32,193.65

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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.