Home / 31,858.72-43,959.68-17,709.68

Finding the Fourth Proportional to 31,858.72, 43,959.68 and 17,709.68

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Solution

The fourth proportional to 31,858.72, 43,959.68 and 17,709.68 is: 24,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,858.72 : 43,959.68 = 17,709.68 : x
  2. Step 2: Convert to fraction form
    31,858.72/43,959.68 = 17,709.68/x
  3. Step 3: Cross multiply
    31,858.72x = 43,959.68 × 17,709.68
  4. Step 4: Simplify right side
    31,858.72x = 778,511,865.70
  5. Step 5: Solve for x
    x = 778,511,865.70/31,858.72
  6. Step 6: Final answer
    x = 24,436.38

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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.