Home / 41,223.48-61,821.72-13,515

Finding the Fourth Proportional to 41,223.48, 61,821.72 and 13,515

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Solution

The fourth proportional to 41,223.48, 61,821.72 and 13,515 is: 20,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,223.48 : 61,821.72 = 13,515 : x
  2. Step 2: Convert to fraction form
    41,223.48/61,821.72 = 13,515/x
  3. Step 3: Cross multiply
    41,223.48x = 61,821.72 × 13,515
  4. Step 4: Simplify right side
    41,223.48x = 835,520,545.80
  5. Step 5: Solve for x
    x = 835,520,545.80/41,223.48
  6. Step 6: Final answer
    x = 20,268.07

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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.