Home / 31,986.13-44,137.80-17,839.90

Finding the Fourth Proportional to 31,986.13, 44,137.80 and 17,839.90

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Solution

The fourth proportional to 31,986.13, 44,137.80 and 17,839.90 is: 24,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.13 : 44,137.80 = 17,839.90 : x
  2. Step 2: Convert to fraction form
    31,986.13/44,137.80 = 17,839.90/x
  3. Step 3: Cross multiply
    31,986.13x = 44,137.80 × 17,839.90
  4. Step 4: Simplify right side
    31,986.13x = 787,413,938.22
  5. Step 5: Solve for x
    x = 787,413,938.22/31,986.13
  6. Step 6: Final answer
    x = 24,617.36

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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.