Home / 29,110.50-40,178.97-18,498.06

Finding the Fourth Proportional to 29,110.50, 40,178.97 and 18,498.06

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Solution

The fourth proportional to 29,110.50, 40,178.97 and 18,498.06 is: 25,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.50 : 40,178.97 = 18,498.06 : x
  2. Step 2: Convert to fraction form
    29,110.50/40,178.97 = 18,498.06/x
  3. Step 3: Cross multiply
    29,110.50x = 40,178.97 × 18,498.06
  4. Step 4: Simplify right side
    29,110.50x = 743,232,997.80
  5. Step 5: Solve for x
    x = 743,232,997.80/29,110.50
  6. Step 6: Final answer
    x = 25,531.44

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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.