Home / 40,584.12-55,971.18-26,431.80

Finding the Fourth Proportional to 40,584.12, 55,971.18 and 26,431.80

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Solution

The fourth proportional to 40,584.12, 55,971.18 and 26,431.80 is: 36,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,584.12 : 55,971.18 = 26,431.80 : x
  2. Step 2: Convert to fraction form
    40,584.12/55,971.18 = 26,431.80/x
  3. Step 3: Cross multiply
    40,584.12x = 55,971.18 × 26,431.80
  4. Step 4: Simplify right side
    40,584.12x = 1,479,419,035.52
  5. Step 5: Solve for x
    x = 1,479,419,035.52/40,584.12
  6. Step 6: Final answer
    x = 36,453.15

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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.