Home / 20,350.79-30,530.56-6,310.52

Finding the Fourth Proportional to 20,350.79, 30,530.56 and 6,310.52

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Solution

The fourth proportional to 20,350.79, 30,530.56 and 6,310.52 is: 9,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.79 : 30,530.56 = 6,310.52 : x
  2. Step 2: Convert to fraction form
    20,350.79/30,530.56 = 6,310.52/x
  3. Step 3: Cross multiply
    20,350.79x = 30,530.56 × 6,310.52
  4. Step 4: Simplify right side
    20,350.79x = 192,663,701.44
  5. Step 5: Solve for x
    x = 192,663,701.44/20,350.79
  6. Step 6: Final answer
    x = 9,467.13

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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.