Home / 41,200.65-61,777.76-13,115.52

Finding the Fourth Proportional to 41,200.65, 61,777.76 and 13,115.52

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Solution

The fourth proportional to 41,200.65, 61,777.76 and 13,115.52 is: 19,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,200.65 : 61,777.76 = 13,115.52 : x
  2. Step 2: Convert to fraction form
    41,200.65/61,777.76 = 13,115.52/x
  3. Step 3: Cross multiply
    41,200.65x = 61,777.76 × 13,115.52
  4. Step 4: Simplify right side
    41,200.65x = 810,247,381.26
  5. Step 5: Solve for x
    x = 810,247,381.26/41,200.65
  6. Step 6: Final answer
    x = 19,665.89

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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.