Home / 55,146.34-82,679.19-17,685.09

Finding the Fourth Proportional to 55,146.34, 82,679.19 and 17,685.09

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Solution

The fourth proportional to 55,146.34, 82,679.19 and 17,685.09 is: 26,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,146.34 : 82,679.19 = 17,685.09 : x
  2. Step 2: Convert to fraction form
    55,146.34/82,679.19 = 17,685.09/x
  3. Step 3: Cross multiply
    55,146.34x = 82,679.19 × 17,685.09
  4. Step 4: Simplify right side
    55,146.34x = 1,462,188,916.28
  5. Step 5: Solve for x
    x = 1,462,188,916.28/55,146.34
  6. Step 6: Final answer
    x = 26,514.70

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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.