Home / 54,234.02-81,319.88-28,902.34

Finding the Fourth Proportional to 54,234.02, 81,319.88 and 28,902.34

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Solution

The fourth proportional to 54,234.02, 81,319.88 and 28,902.34 is: 43,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.02 : 81,319.88 = 28,902.34 : x
  2. Step 2: Convert to fraction form
    54,234.02/81,319.88 = 28,902.34/x
  3. Step 3: Cross multiply
    54,234.02x = 81,319.88 × 28,902.34
  4. Step 4: Simplify right side
    54,234.02x = 2,350,334,951.56
  5. Step 5: Solve for x
    x = 2,350,334,951.56/54,234.02
  6. Step 6: Final answer
    x = 43,336.91

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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.