Home / 29,311.03-40,449.97-17,986.78

Finding the Fourth Proportional to 29,311.03, 40,449.97 and 17,986.78

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Solution

The fourth proportional to 29,311.03, 40,449.97 and 17,986.78 is: 24,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.03 : 40,449.97 = 17,986.78 : x
  2. Step 2: Convert to fraction form
    29,311.03/40,449.97 = 17,986.78/x
  3. Step 3: Cross multiply
    29,311.03x = 40,449.97 × 17,986.78
  4. Step 4: Simplify right side
    29,311.03x = 727,564,509.15
  5. Step 5: Solve for x
    x = 727,564,509.15/29,311.03
  6. Step 6: Final answer
    x = 24,822.21

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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.