Home / 38,305.66-57,408.71-21,437.97

Finding the Fourth Proportional to 38,305.66, 57,408.71 and 21,437.97

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Solution

The fourth proportional to 38,305.66, 57,408.71 and 21,437.97 is: 32,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,305.66 : 57,408.71 = 21,437.97 : x
  2. Step 2: Convert to fraction form
    38,305.66/57,408.71 = 21,437.97/x
  3. Step 3: Cross multiply
    38,305.66x = 57,408.71 × 21,437.97
  4. Step 4: Simplify right side
    38,305.66x = 1,230,726,202.72
  5. Step 5: Solve for x
    x = 1,230,726,202.72/38,305.66
  6. Step 6: Final answer
    x = 32,129.10

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1.5x scale

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.