Home / 36,238.20-54,393.78-21,461.88

Finding the Fourth Proportional to 36,238.20, 54,393.78 and 21,461.88

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Solution

The fourth proportional to 36,238.20, 54,393.78 and 21,461.88 is: 32,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,238.20 : 54,393.78 = 21,461.88 : x
  2. Step 2: Convert to fraction form
    36,238.20/54,393.78 = 21,461.88/x
  3. Step 3: Cross multiply
    36,238.20x = 54,393.78 × 21,461.88
  4. Step 4: Simplify right side
    36,238.20x = 1,167,392,779.11
  5. Step 5: Solve for x
    x = 1,167,392,779.11/36,238.20
  6. Step 6: Final answer
    x = 32,214.43

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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.