Home / 33,407.85-50,121.15-13,423.53

Finding the Fourth Proportional to 33,407.85, 50,121.15 and 13,423.53

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Solution

The fourth proportional to 33,407.85, 50,121.15 and 13,423.53 is: 20,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,407.85 : 50,121.15 = 13,423.53 : x
  2. Step 2: Convert to fraction form
    33,407.85/50,121.15 = 13,423.53/x
  3. Step 3: Cross multiply
    33,407.85x = 50,121.15 × 13,423.53
  4. Step 4: Simplify right side
    33,407.85x = 672,802,760.66
  5. Step 5: Solve for x
    x = 672,802,760.66/33,407.85
  6. Step 6: Final answer
    x = 20,139.06

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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.