Home / 31,604.74-43,600.96-18,173.14

Finding the Fourth Proportional to 31,604.74, 43,600.96 and 18,173.14

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Solution

The fourth proportional to 31,604.74, 43,600.96 and 18,173.14 is: 25,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604.74 : 43,600.96 = 18,173.14 : x
  2. Step 2: Convert to fraction form
    31,604.74/43,600.96 = 18,173.14/x
  3. Step 3: Cross multiply
    31,604.74x = 43,600.96 × 18,173.14
  4. Step 4: Simplify right side
    31,604.74x = 792,366,350.21
  5. Step 5: Solve for x
    x = 792,366,350.21/31,604.74
  6. Step 6: Final answer
    x = 25,071.12

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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.