Home / 55,619.92-76,754.46-30,469.24

Finding the Fourth Proportional to 55,619.92, 76,754.46 and 30,469.24

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Solution

The fourth proportional to 55,619.92, 76,754.46 and 30,469.24 is: 42,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.92 : 76,754.46 = 30,469.24 : x
  2. Step 2: Convert to fraction form
    55,619.92/76,754.46 = 30,469.24/x
  3. Step 3: Cross multiply
    55,619.92x = 76,754.46 × 30,469.24
  4. Step 4: Simplify right side
    55,619.92x = 2,338,650,062.81
  5. Step 5: Solve for x
    x = 2,338,650,062.81/55,619.92
  6. Step 6: Final answer
    x = 42,046.99

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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.