Home / 31,073.26-42,881.39-17,644.79

Finding the Fourth Proportional to 31,073.26, 42,881.39 and 17,644.79

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Solution

The fourth proportional to 31,073.26, 42,881.39 and 17,644.79 is: 24,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.26 : 42,881.39 = 17,644.79 : x
  2. Step 2: Convert to fraction form
    31,073.26/42,881.39 = 17,644.79/x
  3. Step 3: Cross multiply
    31,073.26x = 42,881.39 × 17,644.79
  4. Step 4: Simplify right side
    31,073.26x = 756,633,140.44
  5. Step 5: Solve for x
    x = 756,633,140.44/31,073.26
  6. Step 6: Final answer
    x = 24,349.98

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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.