Home / 31,249.50-43,124.31-17,102.36

Finding the Fourth Proportional to 31,249.50, 43,124.31 and 17,102.36

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Solution

The fourth proportional to 31,249.50, 43,124.31 and 17,102.36 is: 23,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.50 : 43,124.31 = 17,102.36 : x
  2. Step 2: Convert to fraction form
    31,249.50/43,124.31 = 17,102.36/x
  3. Step 3: Cross multiply
    31,249.50x = 43,124.31 × 17,102.36
  4. Step 4: Simplify right side
    31,249.50x = 737,527,258.75
  5. Step 5: Solve for x
    x = 737,527,258.75/31,249.50
  6. Step 6: Final answer
    x = 23,601.25

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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.