Home / 29,119.70-43,613.91-20,393.57

Finding the Fourth Proportional to 29,119.70, 43,613.91 and 20,393.57

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Solution

The fourth proportional to 29,119.70, 43,613.91 and 20,393.57 is: 30,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,119.70 : 43,613.91 = 20,393.57 : x
  2. Step 2: Convert to fraction form
    29,119.70/43,613.91 = 20,393.57/x
  3. Step 3: Cross multiply
    29,119.70x = 43,613.91 × 20,393.57
  4. Step 4: Simplify right side
    29,119.70x = 889,443,108.49
  5. Step 5: Solve for x
    x = 889,443,108.49/29,119.70
  6. Step 6: Final answer
    x = 30,544.38

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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.