Home / 40,782.60-61,169.94-11,204.82

Finding the Fourth Proportional to 40,782.60, 61,169.94 and 11,204.82

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Solution

The fourth proportional to 40,782.60, 61,169.94 and 11,204.82 is: 16,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.60 : 61,169.94 = 11,204.82 : x
  2. Step 2: Convert to fraction form
    40,782.60/61,169.94 = 11,204.82/x
  3. Step 3: Cross multiply
    40,782.60x = 61,169.94 × 11,204.82
  4. Step 4: Simplify right side
    40,782.60x = 685,398,167.11
  5. Step 5: Solve for x
    x = 685,398,167.11/40,782.60
  6. Step 6: Final answer
    x = 16,806.14

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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.