Home / 38,486.31-57,645.23-22,869.51

Finding the Fourth Proportional to 38,486.31, 57,645.23 and 22,869.51

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Solution

The fourth proportional to 38,486.31, 57,645.23 and 22,869.51 is: 34,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.31 : 57,645.23 = 22,869.51 : x
  2. Step 2: Convert to fraction form
    38,486.31/57,645.23 = 22,869.51/x
  3. Step 3: Cross multiply
    38,486.31x = 57,645.23 × 22,869.51
  4. Step 4: Simplify right side
    38,486.31x = 1,318,318,049.59
  5. Step 5: Solve for x
    x = 1,318,318,049.59/38,486.31
  6. Step 6: Final answer
    x = 34,254.21

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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.