Home / 31,645.79-43,672.07-17,499.14

Finding the Fourth Proportional to 31,645.79, 43,672.07 and 17,499.14

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Solution

The fourth proportional to 31,645.79, 43,672.07 and 17,499.14 is: 24,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.79 : 43,672.07 = 17,499.14 : x
  2. Step 2: Convert to fraction form
    31,645.79/43,672.07 = 17,499.14/x
  3. Step 3: Cross multiply
    31,645.79x = 43,672.07 × 17,499.14
  4. Step 4: Simplify right side
    31,645.79x = 764,223,579.52
  5. Step 5: Solve for x
    x = 764,223,579.52/31,645.79
  6. Step 6: Final answer
    x = 24,149.30

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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.