Home / 20,080.62-30,108.75-8,985.24

Finding the Fourth Proportional to 20,080.62, 30,108.75 and 8,985.24

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Solution

The fourth proportional to 20,080.62, 30,108.75 and 8,985.24 is: 13,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.62 : 30,108.75 = 8,985.24 : x
  2. Step 2: Convert to fraction form
    20,080.62/30,108.75 = 8,985.24/x
  3. Step 3: Cross multiply
    20,080.62x = 30,108.75 × 8,985.24
  4. Step 4: Simplify right side
    20,080.62x = 270,534,344.85
  5. Step 5: Solve for x
    x = 270,534,344.85/20,080.62
  6. Step 6: Final answer
    x = 13,472.41

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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.