Home / 54,815.62-75,644-30,944.52

Finding the Fourth Proportional to 54,815.62, 75,644 and 30,944.52

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Solution

The fourth proportional to 54,815.62, 75,644 and 30,944.52 is: 42,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.62 : 75,644 = 30,944.52 : x
  2. Step 2: Convert to fraction form
    54,815.62/75,644 = 30,944.52/x
  3. Step 3: Cross multiply
    54,815.62x = 75,644 × 30,944.52
  4. Step 4: Simplify right side
    54,815.62x = 2,340,767,270.88
  5. Step 5: Solve for x
    x = 2,340,767,270.88/54,815.62
  6. Step 6: Final answer
    x = 42,702.56

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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.