Home / 45,722.26-68,588.79-19,412.38

Finding the Fourth Proportional to 45,722.26, 68,588.79 and 19,412.38

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Solution

The fourth proportional to 45,722.26, 68,588.79 and 19,412.38 is: 29,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,722.26 : 68,588.79 = 19,412.38 : x
  2. Step 2: Convert to fraction form
    45,722.26/68,588.79 = 19,412.38/x
  3. Step 3: Cross multiply
    45,722.26x = 68,588.79 × 19,412.38
  4. Step 4: Simplify right side
    45,722.26x = 1,331,471,655.22
  5. Step 5: Solve for x
    x = 1,331,471,655.22/45,722.26
  6. Step 6: Final answer
    x = 29,120.86

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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.