Home / 36,412.24-54,650.91-18,655

Finding the Fourth Proportional to 36,412.24, 54,650.91 and 18,655

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Solution

The fourth proportional to 36,412.24, 54,650.91 and 18,655 is: 27,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,412.24 : 54,650.91 = 18,655 : x
  2. Step 2: Convert to fraction form
    36,412.24/54,650.91 = 18,655/x
  3. Step 3: Cross multiply
    36,412.24x = 54,650.91 × 18,655
  4. Step 4: Simplify right side
    36,412.24x = 1,019,512,726.05
  5. Step 5: Solve for x
    x = 1,019,512,726.05/36,412.24
  6. Step 6: Final answer
    x = 27,999.18

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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.