Home / 43,255.76-64,909.24-18,294.40

Finding the Fourth Proportional to 43,255.76, 64,909.24 and 18,294.40

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Solution

The fourth proportional to 43,255.76, 64,909.24 and 18,294.40 is: 27,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,255.76 : 64,909.24 = 18,294.40 : x
  2. Step 2: Convert to fraction form
    43,255.76/64,909.24 = 18,294.40/x
  3. Step 3: Cross multiply
    43,255.76x = 64,909.24 × 18,294.40
  4. Step 4: Simplify right side
    43,255.76x = 1,187,475,600.26
  5. Step 5: Solve for x
    x = 1,187,475,600.26/43,255.76
  6. Step 6: Final answer
    x = 27,452.43

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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.