Home / 31,636.20-43,655.74-17,489.56

Finding the Fourth Proportional to 31,636.20, 43,655.74 and 17,489.56

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Solution

The fourth proportional to 31,636.20, 43,655.74 and 17,489.56 is: 24,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636.20 : 43,655.74 = 17,489.56 : x
  2. Step 2: Convert to fraction form
    31,636.20/43,655.74 = 17,489.56/x
  3. Step 3: Cross multiply
    31,636.20x = 43,655.74 × 17,489.56
  4. Step 4: Simplify right side
    31,636.20x = 763,519,684.07
  5. Step 5: Solve for x
    x = 763,519,684.07/31,636.20
  6. Step 6: Final answer
    x = 24,134.37

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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.