Home / 41,868.96-62,780.76-13,782.48

Finding the Fourth Proportional to 41,868.96, 62,780.76 and 13,782.48

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Solution

The fourth proportional to 41,868.96, 62,780.76 and 13,782.48 is: 20,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,868.96 : 62,780.76 = 13,782.48 : x
  2. Step 2: Convert to fraction form
    41,868.96/62,780.76 = 13,782.48/x
  3. Step 3: Cross multiply
    41,868.96x = 62,780.76 × 13,782.48
  4. Step 4: Simplify right side
    41,868.96x = 865,274,569.08
  5. Step 5: Solve for x
    x = 865,274,569.08/41,868.96
  6. Step 6: Final answer
    x = 20,666.25

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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.