Home / 36,029.78-49,726.08-20,115.26

Finding the Fourth Proportional to 36,029.78, 49,726.08 and 20,115.26

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Solution

The fourth proportional to 36,029.78, 49,726.08 and 20,115.26 is: 27,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.78 : 49,726.08 = 20,115.26 : x
  2. Step 2: Convert to fraction form
    36,029.78/49,726.08 = 20,115.26/x
  3. Step 3: Cross multiply
    36,029.78x = 49,726.08 × 20,115.26
  4. Step 4: Simplify right side
    36,029.78x = 1,000,253,027.98
  5. Step 5: Solve for x
    x = 1,000,253,027.98/36,029.78
  6. Step 6: Final answer
    x = 27,761.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.