Home / 33,397.12-50,079.84-12,330.28

Finding the Fourth Proportional to 33,397.12, 50,079.84 and 12,330.28

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Solution

The fourth proportional to 33,397.12, 50,079.84 and 12,330.28 is: 18,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,397.12 : 50,079.84 = 12,330.28 : x
  2. Step 2: Convert to fraction form
    33,397.12/50,079.84 = 12,330.28/x
  3. Step 3: Cross multiply
    33,397.12x = 50,079.84 × 12,330.28
  4. Step 4: Simplify right side
    33,397.12x = 617,498,449.56
  5. Step 5: Solve for x
    x = 617,498,449.56/33,397.12
  6. Step 6: Final answer
    x = 18,489.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.