Home / 43,726.24-65,575.36-18,759.57

Finding the Fourth Proportional to 43,726.24, 65,575.36 and 18,759.57

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Solution

The fourth proportional to 43,726.24, 65,575.36 and 18,759.57 is: 28,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,726.24 : 65,575.36 = 18,759.57 : x
  2. Step 2: Convert to fraction form
    43,726.24/65,575.36 = 18,759.57/x
  3. Step 3: Cross multiply
    43,726.24x = 65,575.36 × 18,759.57
  4. Step 4: Simplify right side
    43,726.24x = 1,230,165,556.20
  5. Step 5: Solve for x
    x = 1,230,165,556.20/43,726.24
  6. Step 6: Final answer
    x = 28,133.35

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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.