Home / 52,728.22-72,766.20-30,069.38

Finding the Fourth Proportional to 52,728.22, 72,766.20 and 30,069.38

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Solution

The fourth proportional to 52,728.22, 72,766.20 and 30,069.38 is: 41,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,728.22 : 72,766.20 = 30,069.38 : x
  2. Step 2: Convert to fraction form
    52,728.22/72,766.20 = 30,069.38/x
  3. Step 3: Cross multiply
    52,728.22x = 72,766.20 × 30,069.38
  4. Step 4: Simplify right side
    52,728.22x = 2,188,034,235.18
  5. Step 5: Solve for x
    x = 2,188,034,235.18/52,728.22
  6. Step 6: Final answer
    x = 41,496.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.