Home / 36,082.32-49,789.80-20,972.24

Finding the Fourth Proportional to 36,082.32, 49,789.80 and 20,972.24

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Solution

The fourth proportional to 36,082.32, 49,789.80 and 20,972.24 is: 28,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,082.32 : 49,789.80 = 20,972.24 : x
  2. Step 2: Convert to fraction form
    36,082.32/49,789.80 = 20,972.24/x
  3. Step 3: Cross multiply
    36,082.32x = 49,789.80 × 20,972.24
  4. Step 4: Simplify right side
    36,082.32x = 1,044,203,635.15
  5. Step 5: Solve for x
    x = 1,044,203,635.15/36,082.32
  6. Step 6: Final answer
    x = 28,939.48

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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.