Home / 29,636.20-40,909.26-20,217.52

Finding the Fourth Proportional to 29,636.20, 40,909.26 and 20,217.52

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Solution

The fourth proportional to 29,636.20, 40,909.26 and 20,217.52 is: 27,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,636.20 : 40,909.26 = 20,217.52 : x
  2. Step 2: Convert to fraction form
    29,636.20/40,909.26 = 20,217.52/x
  3. Step 3: Cross multiply
    29,636.20x = 40,909.26 × 20,217.52
  4. Step 4: Simplify right side
    29,636.20x = 827,083,782.24
  5. Step 5: Solve for x
    x = 827,083,782.24/29,636.20
  6. Step 6: Final answer
    x = 27,907.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.