Home / 54,583.40-75,318.98-30,709.56

Finding the Fourth Proportional to 54,583.40, 75,318.98 and 30,709.56

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Solution

The fourth proportional to 54,583.40, 75,318.98 and 30,709.56 is: 42,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.40 : 75,318.98 = 30,709.56 : x
  2. Step 2: Convert to fraction form
    54,583.40/75,318.98 = 30,709.56/x
  3. Step 3: Cross multiply
    54,583.40x = 75,318.98 × 30,709.56
  4. Step 4: Simplify right side
    54,583.40x = 2,313,012,735.45
  5. Step 5: Solve for x
    x = 2,313,012,735.45/54,583.40
  6. Step 6: Final answer
    x = 42,375.75

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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.