Home / 31,862.88-43,971.66-17,716.68

Finding the Fourth Proportional to 31,862.88, 43,971.66 and 17,716.68

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Solution

The fourth proportional to 31,862.88, 43,971.66 and 17,716.68 is: 24,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.88 : 43,971.66 = 17,716.68 : x
  2. Step 2: Convert to fraction form
    31,862.88/43,971.66 = 17,716.68/x
  3. Step 3: Cross multiply
    31,862.88x = 43,971.66 × 17,716.68
  4. Step 4: Simplify right side
    31,862.88x = 779,031,829.29
  5. Step 5: Solve for x
    x = 779,031,829.29/31,862.88
  6. Step 6: Final answer
    x = 24,449.51

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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.