Home / 20,517.02-30,775.52-4,934.64

Finding the Fourth Proportional to 20,517.02, 30,775.52 and 4,934.64

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Solution

The fourth proportional to 20,517.02, 30,775.52 and 4,934.64 is: 7,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,517.02 : 30,775.52 = 4,934.64 : x
  2. Step 2: Convert to fraction form
    20,517.02/30,775.52 = 4,934.64/x
  3. Step 3: Cross multiply
    20,517.02x = 30,775.52 × 4,934.64
  4. Step 4: Simplify right side
    20,517.02x = 151,866,112.01
  5. Step 5: Solve for x
    x = 151,866,112.01/20,517.02
  6. Step 6: Final answer
    x = 7,401.96

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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.