Home / 48,195.20-72,285.72-28,213.92

Finding the Fourth Proportional to 48,195.20, 72,285.72 and 28,213.92

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Solution

The fourth proportional to 48,195.20, 72,285.72 and 28,213.92 is: 42,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,195.20 : 72,285.72 = 28,213.92 : x
  2. Step 2: Convert to fraction form
    48,195.20/72,285.72 = 28,213.92/x
  3. Step 3: Cross multiply
    48,195.20x = 72,285.72 × 28,213.92
  4. Step 4: Simplify right side
    48,195.20x = 2,039,463,415.42
  5. Step 5: Solve for x
    x = 2,039,463,415.42/48,195.20
  6. Step 6: Final answer
    x = 42,316.73

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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.