Home / 31,571.55-43,567.36-17,231.01

Finding the Fourth Proportional to 31,571.55, 43,567.36 and 17,231.01

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Solution

The fourth proportional to 31,571.55, 43,567.36 and 17,231.01 is: 23,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571.55 : 43,567.36 = 17,231.01 : x
  2. Step 2: Convert to fraction form
    31,571.55/43,567.36 = 17,231.01/x
  3. Step 3: Cross multiply
    31,571.55x = 43,567.36 × 17,231.01
  4. Step 4: Simplify right side
    31,571.55x = 750,709,615.83
  5. Step 5: Solve for x
    x = 750,709,615.83/31,571.55
  6. Step 6: Final answer
    x = 23,778.04

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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.