Home / 55,213.10-82,817.69-17,775.71

Finding the Fourth Proportional to 55,213.10, 82,817.69 and 17,775.71

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Solution

The fourth proportional to 55,213.10, 82,817.69 and 17,775.71 is: 26,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,213.10 : 82,817.69 = 17,775.71 : x
  2. Step 2: Convert to fraction form
    55,213.10/82,817.69 = 17,775.71/x
  3. Step 3: Cross multiply
    55,213.10x = 82,817.69 × 17,775.71
  4. Step 4: Simplify right side
    55,213.10x = 1,472,143,240.31
  5. Step 5: Solve for x
    x = 1,472,143,240.31/55,213.10
  6. Step 6: Final answer
    x = 26,662.93

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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.