Home / 31,715.26-43,768.02-17,569.42

Finding the Fourth Proportional to 31,715.26, 43,768.02 and 17,569.42

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Solution

The fourth proportional to 31,715.26, 43,768.02 and 17,569.42 is: 24,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.26 : 43,768.02 = 17,569.42 : x
  2. Step 2: Convert to fraction form
    31,715.26/43,768.02 = 17,569.42/x
  3. Step 3: Cross multiply
    31,715.26x = 43,768.02 × 17,569.42
  4. Step 4: Simplify right side
    31,715.26x = 768,978,725.95
  5. Step 5: Solve for x
    x = 768,978,725.95/31,715.26
  6. Step 6: Final answer
    x = 24,246.33

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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.