Home / 40,189.88-55,459.32-23,194.83

Finding the Fourth Proportional to 40,189.88, 55,459.32 and 23,194.83

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Solution

The fourth proportional to 40,189.88, 55,459.32 and 23,194.83 is: 32,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.88 : 55,459.32 = 23,194.83 : x
  2. Step 2: Convert to fraction form
    40,189.88/55,459.32 = 23,194.83/x
  3. Step 3: Cross multiply
    40,189.88x = 55,459.32 × 23,194.83
  4. Step 4: Simplify right side
    40,189.88x = 1,286,369,499.32
  5. Step 5: Solve for x
    x = 1,286,369,499.32/40,189.88
  6. Step 6: Final answer
    x = 32,007.30

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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.