Home / 20,029.64-30,042.17-5,239.99

Finding the Fourth Proportional to 20,029.64, 30,042.17 and 5,239.99

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Solution

The fourth proportional to 20,029.64, 30,042.17 and 5,239.99 is: 7,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.64 : 30,042.17 = 5,239.99 : x
  2. Step 2: Convert to fraction form
    20,029.64/30,042.17 = 5,239.99/x
  3. Step 3: Cross multiply
    20,029.64x = 30,042.17 × 5,239.99
  4. Step 4: Simplify right side
    20,029.64x = 157,420,493.97
  5. Step 5: Solve for x
    x = 157,420,493.97/20,029.64
  6. Step 6: Final answer
    x = 7,859.38

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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.