Home / 20,124.63-30,003.24-19,613.10

Finding the Fourth Proportional to 20,124.63, 30,003.24 and 19,613.10

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Solution

The fourth proportional to 20,124.63, 30,003.24 and 19,613.10 is: 29,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.63 : 30,003.24 = 19,613.10 : x
  2. Step 2: Convert to fraction form
    20,124.63/30,003.24 = 19,613.10/x
  3. Step 3: Cross multiply
    20,124.63x = 30,003.24 × 19,613.10
  4. Step 4: Simplify right side
    20,124.63x = 588,456,546.44
  5. Step 5: Solve for x
    x = 588,456,546.44/20,124.63
  6. Step 6: Final answer
    x = 29,240.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.