Home / 29,191.48-40,290.24-18,995.23

Finding the Fourth Proportional to 29,191.48, 40,290.24 and 18,995.23

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Solution

The fourth proportional to 29,191.48, 40,290.24 and 18,995.23 is: 26,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.48 : 40,290.24 = 18,995.23 : x
  2. Step 2: Convert to fraction form
    29,191.48/40,290.24 = 18,995.23/x
  3. Step 3: Cross multiply
    29,191.48x = 40,290.24 × 18,995.23
  4. Step 4: Simplify right side
    29,191.48x = 765,322,375.56
  5. Step 5: Solve for x
    x = 765,322,375.56/29,191.48
  6. Step 6: Final answer
    x = 26,217.32

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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.