Home / 43,488.48-65,251.29-18,540.29

Finding the Fourth Proportional to 43,488.48, 65,251.29 and 18,540.29

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Solution

The fourth proportional to 43,488.48, 65,251.29 and 18,540.29 is: 27,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,488.48 : 65,251.29 = 18,540.29 : x
  2. Step 2: Convert to fraction form
    43,488.48/65,251.29 = 18,540.29/x
  3. Step 3: Cross multiply
    43,488.48x = 65,251.29 × 18,540.29
  4. Step 4: Simplify right side
    43,488.48x = 1,209,777,513.22
  5. Step 5: Solve for x
    x = 1,209,777,513.22/43,488.48
  6. Step 6: Final answer
    x = 27,818.34

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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.