Home / 40,191.13-55,466.30-23,198.51

Finding the Fourth Proportional to 40,191.13, 55,466.30 and 23,198.51

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Solution

The fourth proportional to 40,191.13, 55,466.30 and 23,198.51 is: 32,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,191.13 : 55,466.30 = 23,198.51 : x
  2. Step 2: Convert to fraction form
    40,191.13/55,466.30 = 23,198.51/x
  3. Step 3: Cross multiply
    40,191.13x = 55,466.30 × 23,198.51
  4. Step 4: Simplify right side
    40,191.13x = 1,286,735,711.88
  5. Step 5: Solve for x
    x = 1,286,735,711.88/40,191.13
  6. Step 6: Final answer
    x = 32,015.42

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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.