Home / 31,982.21-44,118.75-18,548.57

Finding the Fourth Proportional to 31,982.21, 44,118.75 and 18,548.57

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Solution

The fourth proportional to 31,982.21, 44,118.75 and 18,548.57 is: 25,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.21 : 44,118.75 = 18,548.57 : x
  2. Step 2: Convert to fraction form
    31,982.21/44,118.75 = 18,548.57/x
  3. Step 3: Cross multiply
    31,982.21x = 44,118.75 × 18,548.57
  4. Step 4: Simplify right side
    31,982.21x = 818,339,722.69
  5. Step 5: Solve for x
    x = 818,339,722.69/31,982.21
  6. Step 6: Final answer
    x = 25,587.34

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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.