Home / 54,159.56-74,747.15-30,287.57

Finding the Fourth Proportional to 54,159.56, 74,747.15 and 30,287.57

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Solution

The fourth proportional to 54,159.56, 74,747.15 and 30,287.57 is: 41,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.56 : 74,747.15 = 30,287.57 : x
  2. Step 2: Convert to fraction form
    54,159.56/74,747.15 = 30,287.57/x
  3. Step 3: Cross multiply
    54,159.56x = 74,747.15 × 30,287.57
  4. Step 4: Simplify right side
    54,159.56x = 2,263,909,012.75
  5. Step 5: Solve for x
    x = 2,263,909,012.75/54,159.56
  6. Step 6: Final answer
    x = 41,800.73

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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.