Home / 40,882.19-61,279.20-19,777.64

Finding the Fourth Proportional to 40,882.19, 61,279.20 and 19,777.64

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Solution

The fourth proportional to 40,882.19, 61,279.20 and 19,777.64 is: 29,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882.19 : 61,279.20 = 19,777.64 : x
  2. Step 2: Convert to fraction form
    40,882.19/61,279.20 = 19,777.64/x
  3. Step 3: Cross multiply
    40,882.19x = 61,279.20 × 19,777.64
  4. Step 4: Simplify right side
    40,882.19x = 1,211,957,650.69
  5. Step 5: Solve for x
    x = 1,211,957,650.69/40,882.19
  6. Step 6: Final answer
    x = 29,645.13

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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.