Home / 36,029.49-49,719.87-20,115.42

Finding the Fourth Proportional to 36,029.49, 49,719.87 and 20,115.42

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Solution

The fourth proportional to 36,029.49, 49,719.87 and 20,115.42 is: 27,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.49 : 49,719.87 = 20,115.42 : x
  2. Step 2: Convert to fraction form
    36,029.49/49,719.87 = 20,115.42/x
  3. Step 3: Cross multiply
    36,029.49x = 49,719.87 × 20,115.42
  4. Step 4: Simplify right side
    36,029.49x = 1,000,136,067.40
  5. Step 5: Solve for x
    x = 1,000,136,067.40/36,029.49
  6. Step 6: Final answer
    x = 27,758.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.