Home / 31,851.83-43,954.40-17,511.56

Finding the Fourth Proportional to 31,851.83, 43,954.40 and 17,511.56

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Solution

The fourth proportional to 31,851.83, 43,954.40 and 17,511.56 is: 24,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.83 : 43,954.40 = 17,511.56 : x
  2. Step 2: Convert to fraction form
    31,851.83/43,954.40 = 17,511.56/x
  3. Step 3: Cross multiply
    31,851.83x = 43,954.40 × 17,511.56
  4. Step 4: Simplify right side
    31,851.83x = 769,709,805.53
  5. Step 5: Solve for x
    x = 769,709,805.53/31,851.83
  6. Step 6: Final answer
    x = 24,165.33

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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.