Home / 41,867.66-62,789-13,782.54

Finding the Fourth Proportional to 41,867.66, 62,789 and 13,782.54

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Solution

The fourth proportional to 41,867.66, 62,789 and 13,782.54 is: 20,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,867.66 : 62,789 = 13,782.54 : x
  2. Step 2: Convert to fraction form
    41,867.66/62,789 = 13,782.54/x
  3. Step 3: Cross multiply
    41,867.66x = 62,789 × 13,782.54
  4. Step 4: Simplify right side
    41,867.66x = 865,391,904.06
  5. Step 5: Solve for x
    x = 865,391,904.06/41,867.66
  6. Step 6: Final answer
    x = 20,669.70

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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.