Home / 31,371.84-43,291.63-17,031.33

Finding the Fourth Proportional to 31,371.84, 43,291.63 and 17,031.33

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Solution

The fourth proportional to 31,371.84, 43,291.63 and 17,031.33 is: 23,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.84 : 43,291.63 = 17,031.33 : x
  2. Step 2: Convert to fraction form
    31,371.84/43,291.63 = 17,031.33/x
  3. Step 3: Cross multiply
    31,371.84x = 43,291.63 × 17,031.33
  4. Step 4: Simplify right side
    31,371.84x = 737,314,058.06
  5. Step 5: Solve for x
    x = 737,314,058.06/31,371.84
  6. Step 6: Final answer
    x = 23,502.42

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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.