Home / 31,591.95-43,596.51-18,163.29

Finding the Fourth Proportional to 31,591.95, 43,596.51 and 18,163.29

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Solution

The fourth proportional to 31,591.95, 43,596.51 and 18,163.29 is: 25,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591.95 : 43,596.51 = 18,163.29 : x
  2. Step 2: Convert to fraction form
    31,591.95/43,596.51 = 18,163.29/x
  3. Step 3: Cross multiply
    31,591.95x = 43,596.51 × 18,163.29
  4. Step 4: Simplify right side
    31,591.95x = 791,856,054.12
  5. Step 5: Solve for x
    x = 791,856,054.12/31,591.95
  6. Step 6: Final answer
    x = 25,065.12

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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.