Home / 55,315.92-82,982.10-20,252.82

Finding the Fourth Proportional to 55,315.92, 82,982.10 and 20,252.82

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Solution

The fourth proportional to 55,315.92, 82,982.10 and 20,252.82 is: 30,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.92 : 82,982.10 = 20,252.82 : x
  2. Step 2: Convert to fraction form
    55,315.92/82,982.10 = 20,252.82/x
  3. Step 3: Cross multiply
    55,315.92x = 82,982.10 × 20,252.82
  4. Step 4: Simplify right side
    55,315.92x = 1,680,621,534.52
  5. Step 5: Solve for x
    x = 1,680,621,534.52/55,315.92
  6. Step 6: Final answer
    x = 30,382.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.