Home / 38,505.92-57,660.33-21,840.98

Finding the Fourth Proportional to 38,505.92, 57,660.33 and 21,840.98

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Solution

The fourth proportional to 38,505.92, 57,660.33 and 21,840.98 is: 32,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,505.92 : 57,660.33 = 21,840.98 : x
  2. Step 2: Convert to fraction form
    38,505.92/57,660.33 = 21,840.98/x
  3. Step 3: Cross multiply
    38,505.92x = 57,660.33 × 21,840.98
  4. Step 4: Simplify right side
    38,505.92x = 1,259,358,114.32
  5. Step 5: Solve for x
    x = 1,259,358,114.32/38,505.92
  6. Step 6: Final answer
    x = 32,705.57

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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.