Home / 38,517.08-57,737.82-19,806.08

Finding the Fourth Proportional to 38,517.08, 57,737.82 and 19,806.08

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Solution

The fourth proportional to 38,517.08, 57,737.82 and 19,806.08 is: 29,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,517.08 : 57,737.82 = 19,806.08 : x
  2. Step 2: Convert to fraction form
    38,517.08/57,737.82 = 19,806.08/x
  3. Step 3: Cross multiply
    38,517.08x = 57,737.82 × 19,806.08
  4. Step 4: Simplify right side
    38,517.08x = 1,143,559,881.95
  5. Step 5: Solve for x
    x = 1,143,559,881.95/38,517.08
  6. Step 6: Final answer
    x = 29,689.68

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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.