Home / 36,788.80-50,767.05-20,872.91

Finding the Fourth Proportional to 36,788.80, 50,767.05 and 20,872.91

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Solution

The fourth proportional to 36,788.80, 50,767.05 and 20,872.91 is: 28,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788.80 : 50,767.05 = 20,872.91 : x
  2. Step 2: Convert to fraction form
    36,788.80/50,767.05 = 20,872.91/x
  3. Step 3: Cross multiply
    36,788.80x = 50,767.05 × 20,872.91
  4. Step 4: Simplify right side
    36,788.80x = 1,059,655,707.42
  5. Step 5: Solve for x
    x = 1,059,655,707.42/36,788.80
  6. Step 6: Final answer
    x = 28,803.76

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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.