Home / 54,452.32-75,143.92-30,580

Finding the Fourth Proportional to 54,452.32, 75,143.92 and 30,580

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Solution

The fourth proportional to 54,452.32, 75,143.92 and 30,580 is: 42,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452.32 : 75,143.92 = 30,580 : x
  2. Step 2: Convert to fraction form
    54,452.32/75,143.92 = 30,580/x
  3. Step 3: Cross multiply
    54,452.32x = 75,143.92 × 30,580
  4. Step 4: Simplify right side
    54,452.32x = 2,297,901,073.60
  5. Step 5: Solve for x
    x = 2,297,901,073.60/54,452.32
  6. Step 6: Final answer
    x = 42,200.24

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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.