Home / 36,885.81-50,899-20,967.15

Finding the Fourth Proportional to 36,885.81, 50,899 and 20,967.15

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Solution

The fourth proportional to 36,885.81, 50,899 and 20,967.15 is: 28,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.81 : 50,899 = 20,967.15 : x
  2. Step 2: Convert to fraction form
    36,885.81/50,899 = 20,967.15/x
  3. Step 3: Cross multiply
    36,885.81x = 50,899 × 20,967.15
  4. Step 4: Simplify right side
    36,885.81x = 1,067,206,967.85
  5. Step 5: Solve for x
    x = 1,067,206,967.85/36,885.81
  6. Step 6: Final answer
    x = 28,932.72

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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.