Home / 39,930.29-59,882.46-13,269.11

Finding the Fourth Proportional to 39,930.29, 59,882.46 and 13,269.11

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Solution

The fourth proportional to 39,930.29, 59,882.46 and 13,269.11 is: 19,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.29 : 59,882.46 = 13,269.11 : x
  2. Step 2: Convert to fraction form
    39,930.29/59,882.46 = 13,269.11/x
  3. Step 3: Cross multiply
    39,930.29x = 59,882.46 × 13,269.11
  4. Step 4: Simplify right side
    39,930.29x = 794,586,649.40
  5. Step 5: Solve for x
    x = 794,586,649.40/39,930.29
  6. Step 6: Final answer
    x = 19,899.35

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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.