Home / 29,717.60-40,984.11-18,385.29

Finding the Fourth Proportional to 29,717.60, 40,984.11 and 18,385.29

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Solution

The fourth proportional to 29,717.60, 40,984.11 and 18,385.29 is: 25,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,717.60 : 40,984.11 = 18,385.29 : x
  2. Step 2: Convert to fraction form
    29,717.60/40,984.11 = 18,385.29/x
  3. Step 3: Cross multiply
    29,717.60x = 40,984.11 × 18,385.29
  4. Step 4: Simplify right side
    29,717.60x = 753,504,747.74
  5. Step 5: Solve for x
    x = 753,504,747.74/29,717.60
  6. Step 6: Final answer
    x = 25,355.51

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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.