Home / 31,851.65-43,955.80-17,512.09

Finding the Fourth Proportional to 31,851.65, 43,955.80 and 17,512.09

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Solution

The fourth proportional to 31,851.65, 43,955.80 and 17,512.09 is: 24,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.65 : 43,955.80 = 17,512.09 : x
  2. Step 2: Convert to fraction form
    31,851.65/43,955.80 = 17,512.09/x
  3. Step 3: Cross multiply
    31,851.65x = 43,955.80 × 17,512.09
  4. Step 4: Simplify right side
    31,851.65x = 769,757,925.62
  5. Step 5: Solve for x
    x = 769,757,925.62/31,851.65
  6. Step 6: Final answer
    x = 24,166.97

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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.