Home / 41,854.90-62,791.45-13,777.81

Finding the Fourth Proportional to 41,854.90, 62,791.45 and 13,777.81

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Solution

The fourth proportional to 41,854.90, 62,791.45 and 13,777.81 is: 20,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,854.90 : 62,791.45 = 13,777.81 : x
  2. Step 2: Convert to fraction form
    41,854.90/62,791.45 = 13,777.81/x
  3. Step 3: Cross multiply
    41,854.90x = 62,791.45 × 13,777.81
  4. Step 4: Simplify right side
    41,854.90x = 865,128,667.72
  5. Step 5: Solve for x
    x = 865,128,667.72/41,854.90
  6. Step 6: Final answer
    x = 20,669.71

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1.5x scale

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.