Home / 36,888.26-50,909.16-20,972.68

Finding the Fourth Proportional to 36,888.26, 50,909.16 and 20,972.68

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Solution

The fourth proportional to 36,888.26, 50,909.16 and 20,972.68 is: 28,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888.26 : 50,909.16 = 20,972.68 : x
  2. Step 2: Convert to fraction form
    36,888.26/50,909.16 = 20,972.68/x
  3. Step 3: Cross multiply
    36,888.26x = 50,909.16 × 20,972.68
  4. Step 4: Simplify right side
    36,888.26x = 1,067,701,521.75
  5. Step 5: Solve for x
    x = 1,067,701,521.75/36,888.26
  6. Step 6: Final answer
    x = 28,944.21

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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.