Home / 31,404.11-43,326.94-19,463.09

Finding the Fourth Proportional to 31,404.11, 43,326.94 and 19,463.09

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Solution

The fourth proportional to 31,404.11, 43,326.94 and 19,463.09 is: 26,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,404.11 : 43,326.94 = 19,463.09 : x
  2. Step 2: Convert to fraction form
    31,404.11/43,326.94 = 19,463.09/x
  3. Step 3: Cross multiply
    31,404.11x = 43,326.94 × 19,463.09
  4. Step 4: Simplify right side
    31,404.11x = 843,275,916.01
  5. Step 5: Solve for x
    x = 843,275,916.01/31,404.11
  6. Step 6: Final answer
    x = 26,852.41

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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.