Home / 31,768.36-43,839.20-17,622.52

Finding the Fourth Proportional to 31,768.36, 43,839.20 and 17,622.52

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Solution

The fourth proportional to 31,768.36, 43,839.20 and 17,622.52 is: 24,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768.36 : 43,839.20 = 17,622.52 : x
  2. Step 2: Convert to fraction form
    31,768.36/43,839.20 = 17,622.52/x
  3. Step 3: Cross multiply
    31,768.36x = 43,839.20 × 17,622.52
  4. Step 4: Simplify right side
    31,768.36x = 772,557,178.78
  5. Step 5: Solve for x
    x = 772,557,178.78/31,768.36
  6. Step 6: Final answer
    x = 24,318.45

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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.