Home / 40,755.36-61,133.24-18,553.21

Finding the Fourth Proportional to 40,755.36, 61,133.24 and 18,553.21

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Solution

The fourth proportional to 40,755.36, 61,133.24 and 18,553.21 is: 27,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,755.36 : 61,133.24 = 18,553.21 : x
  2. Step 2: Convert to fraction form
    40,755.36/61,133.24 = 18,553.21/x
  3. Step 3: Cross multiply
    40,755.36x = 61,133.24 × 18,553.21
  4. Step 4: Simplify right side
    40,755.36x = 1,134,217,733.25
  5. Step 5: Solve for x
    x = 1,134,217,733.25/40,755.36
  6. Step 6: Final answer
    x = 27,829.90

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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.