Home / 20,043.61-30,042.17-7,555.64

Finding the Fourth Proportional to 20,043.61, 30,042.17 and 7,555.64

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Solution

The fourth proportional to 20,043.61, 30,042.17 and 7,555.64 is: 11,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.61 : 30,042.17 = 7,555.64 : x
  2. Step 2: Convert to fraction form
    20,043.61/30,042.17 = 7,555.64/x
  3. Step 3: Cross multiply
    20,043.61x = 30,042.17 × 7,555.64
  4. Step 4: Simplify right side
    20,043.61x = 226,987,704.18
  5. Step 5: Solve for x
    x = 226,987,704.18/20,043.61
  6. Step 6: Final answer
    x = 11,324.69

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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.