Home / 31,711.26-43,762.50-17,565.42

Finding the Fourth Proportional to 31,711.26, 43,762.50 and 17,565.42

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Solution

The fourth proportional to 31,711.26, 43,762.50 and 17,565.42 is: 24,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.26 : 43,762.50 = 17,565.42 : x
  2. Step 2: Convert to fraction form
    31,711.26/43,762.50 = 17,565.42/x
  3. Step 3: Cross multiply
    31,711.26x = 43,762.50 × 17,565.42
  4. Step 4: Simplify right side
    31,711.26x = 768,706,692.75
  5. Step 5: Solve for x
    x = 768,706,692.75/31,711.26
  6. Step 6: Final answer
    x = 24,240.81

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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.