Home / 31,657.26-43,684.07-17,509.80

Finding the Fourth Proportional to 31,657.26, 43,684.07 and 17,509.80

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Solution

The fourth proportional to 31,657.26, 43,684.07 and 17,509.80 is: 24,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.26 : 43,684.07 = 17,509.80 : x
  2. Step 2: Convert to fraction form
    31,657.26/43,684.07 = 17,509.80/x
  3. Step 3: Cross multiply
    31,657.26x = 43,684.07 × 17,509.80
  4. Step 4: Simplify right side
    31,657.26x = 764,899,241.34
  5. Step 5: Solve for x
    x = 764,899,241.34/31,657.26
  6. Step 6: Final answer
    x = 24,161.89

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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.