Home / 55,139.55-82,709.82-15,696.65

Finding the Fourth Proportional to 55,139.55, 82,709.82 and 15,696.65

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Solution

The fourth proportional to 55,139.55, 82,709.82 and 15,696.65 is: 23,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139.55 : 82,709.82 = 15,696.65 : x
  2. Step 2: Convert to fraction form
    55,139.55/82,709.82 = 15,696.65/x
  3. Step 3: Cross multiply
    55,139.55x = 82,709.82 × 15,696.65
  4. Step 4: Simplify right side
    55,139.55x = 1,298,266,682.55
  5. Step 5: Solve for x
    x = 1,298,266,682.55/55,139.55
  6. Step 6: Final answer
    x = 23,545.11

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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.