Home / 36,856.72-50,857.16-20,721.84

Finding the Fourth Proportional to 36,856.72, 50,857.16 and 20,721.84

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Solution

The fourth proportional to 36,856.72, 50,857.16 and 20,721.84 is: 28,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,856.72 : 50,857.16 = 20,721.84 : x
  2. Step 2: Convert to fraction form
    36,856.72/50,857.16 = 20,721.84/x
  3. Step 3: Cross multiply
    36,856.72x = 50,857.16 × 20,721.84
  4. Step 4: Simplify right side
    36,856.72x = 1,053,853,932.37
  5. Step 5: Solve for x
    x = 1,053,853,932.37/36,856.72
  6. Step 6: Final answer
    x = 28,593.26

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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.