Home / 54,583.10-75,319.31-30,709.26

Finding the Fourth Proportional to 54,583.10, 75,319.31 and 30,709.26

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Solution

The fourth proportional to 54,583.10, 75,319.31 and 30,709.26 is: 42,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.10 : 75,319.31 = 30,709.26 : x
  2. Step 2: Convert to fraction form
    54,583.10/75,319.31 = 30,709.26/x
  3. Step 3: Cross multiply
    54,583.10x = 75,319.31 × 30,709.26
  4. Step 4: Simplify right side
    54,583.10x = 2,313,000,273.81
  5. Step 5: Solve for x
    x = 2,313,000,273.81/54,583.10
  6. Step 6: Final answer
    x = 42,375.76

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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.