Home / 36,029.95-49,719.32-20,115.42

Finding the Fourth Proportional to 36,029.95, 49,719.32 and 20,115.42

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Solution

The fourth proportional to 36,029.95, 49,719.32 and 20,115.42 is: 27,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.95 : 49,719.32 = 20,115.42 : x
  2. Step 2: Convert to fraction form
    36,029.95/49,719.32 = 20,115.42/x
  3. Step 3: Cross multiply
    36,029.95x = 49,719.32 × 20,115.42
  4. Step 4: Simplify right side
    36,029.95x = 1,000,125,003.91
  5. Step 5: Solve for x
    x = 1,000,125,003.91/36,029.95
  6. Step 6: Final answer
    x = 27,758.16

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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.