Home / 31,799.05-43,879.53-17,650.38

Finding the Fourth Proportional to 31,799.05, 43,879.53 and 17,650.38

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Solution

The fourth proportional to 31,799.05, 43,879.53 and 17,650.38 is: 24,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.05 : 43,879.53 = 17,650.38 : x
  2. Step 2: Convert to fraction form
    31,799.05/43,879.53 = 17,650.38/x
  3. Step 3: Cross multiply
    31,799.05x = 43,879.53 × 17,650.38
  4. Step 4: Simplify right side
    31,799.05x = 774,490,378.72
  5. Step 5: Solve for x
    x = 774,490,378.72/31,799.05
  6. Step 6: Final answer
    x = 24,355.77

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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.