Home / 48,442.28-72,632.22-20,380.52

Finding the Fourth Proportional to 48,442.28, 72,632.22 and 20,380.52

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Solution

The fourth proportional to 48,442.28, 72,632.22 and 20,380.52 is: 30,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,442.28 : 72,632.22 = 20,380.52 : x
  2. Step 2: Convert to fraction form
    48,442.28/72,632.22 = 20,380.52/x
  3. Step 3: Cross multiply
    48,442.28x = 72,632.22 × 20,380.52
  4. Step 4: Simplify right side
    48,442.28x = 1,480,282,412.35
  5. Step 5: Solve for x
    x = 1,480,282,412.35/48,442.28
  6. Step 6: Final answer
    x = 30,557.65

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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.