Home / 38,620.18-57,619.22-34,409.80

Finding the Fourth Proportional to 38,620.18, 57,619.22 and 34,409.80

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Solution

The fourth proportional to 38,620.18, 57,619.22 and 34,409.80 is: 51,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.18 : 57,619.22 = 34,409.80 : x
  2. Step 2: Convert to fraction form
    38,620.18/57,619.22 = 34,409.80/x
  3. Step 3: Cross multiply
    38,620.18x = 57,619.22 × 34,409.80
  4. Step 4: Simplify right side
    38,620.18x = 1,982,665,836.36
  5. Step 5: Solve for x
    x = 1,982,665,836.36/38,620.18
  6. Step 6: Final answer
    x = 51,337.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.