Home / 36,538.86-54,763.34-29,112.78

Finding the Fourth Proportional to 36,538.86, 54,763.34 and 29,112.78

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Solution

The fourth proportional to 36,538.86, 54,763.34 and 29,112.78 is: 43,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,538.86 : 54,763.34 = 29,112.78 : x
  2. Step 2: Convert to fraction form
    36,538.86/54,763.34 = 29,112.78/x
  3. Step 3: Cross multiply
    36,538.86x = 54,763.34 × 29,112.78
  4. Step 4: Simplify right side
    36,538.86x = 1,594,313,069.49
  5. Step 5: Solve for x
    x = 1,594,313,069.49/36,538.86
  6. Step 6: Final answer
    x = 43,633.36

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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.