Home / 40,186.88-55,455.18-23,191.83

Finding the Fourth Proportional to 40,186.88, 55,455.18 and 23,191.83

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Solution

The fourth proportional to 40,186.88, 55,455.18 and 23,191.83 is: 32,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.88 : 55,455.18 = 23,191.83 : x
  2. Step 2: Convert to fraction form
    40,186.88/55,455.18 = 23,191.83/x
  3. Step 3: Cross multiply
    40,186.88x = 55,455.18 × 23,191.83
  4. Step 4: Simplify right side
    40,186.88x = 1,286,107,107.18
  5. Step 5: Solve for x
    x = 1,286,107,107.18/40,186.88
  6. Step 6: Final answer
    x = 32,003.16

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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.