Home / 31,963.70-44,115.09-19,397.30

Finding the Fourth Proportional to 31,963.70, 44,115.09 and 19,397.30

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Solution

The fourth proportional to 31,963.70, 44,115.09 and 19,397.30 is: 26,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.70 : 44,115.09 = 19,397.30 : x
  2. Step 2: Convert to fraction form
    31,963.70/44,115.09 = 19,397.30/x
  3. Step 3: Cross multiply
    31,963.70x = 44,115.09 × 19,397.30
  4. Step 4: Simplify right side
    31,963.70x = 855,713,635.26
  5. Step 5: Solve for x
    x = 855,713,635.26/31,963.70
  6. Step 6: Final answer
    x = 26,771.42

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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.