Home / 20,825.60-31,233.70-6,031.20

Finding the Fourth Proportional to 20,825.60, 31,233.70 and 6,031.20

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Solution

The fourth proportional to 20,825.60, 31,233.70 and 6,031.20 is: 9,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825.60 : 31,233.70 = 6,031.20 : x
  2. Step 2: Convert to fraction form
    20,825.60/31,233.70 = 6,031.20/x
  3. Step 3: Cross multiply
    20,825.60x = 31,233.70 × 6,031.20
  4. Step 4: Simplify right side
    20,825.60x = 188,376,691.44
  5. Step 5: Solve for x
    x = 188,376,691.44/20,825.60
  6. Step 6: Final answer
    x = 9,045.44

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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.