Home / 54,440.00-81,670.52-18,902.60

Finding the Fourth Proportional to 54,440.00, 81,670.52 and 18,902.60

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Solution

The fourth proportional to 54,440.00, 81,670.52 and 18,902.60 is: 28,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440.00 : 81,670.52 = 18,902.60 : x
  2. Step 2: Convert to fraction form
    54,440.00/81,670.52 = 18,902.60/x
  3. Step 3: Cross multiply
    54,440.00x = 81,670.52 × 18,902.60
  4. Step 4: Simplify right side
    54,440.00x = 1,543,784,810.26
  5. Step 5: Solve for x
    x = 1,543,784,810.26/54,440.00
  6. Step 6: Final answer
    x = 28,357.55

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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.