Home / 36,701.40-55,039.14-13,321.56

Finding the Fourth Proportional to 36,701.40, 55,039.14 and 13,321.56

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Solution

The fourth proportional to 36,701.40, 55,039.14 and 13,321.56 is: 19,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.40 : 55,039.14 = 13,321.56 : x
  2. Step 2: Convert to fraction form
    36,701.40/55,039.14 = 13,321.56/x
  3. Step 3: Cross multiply
    36,701.40x = 55,039.14 × 13,321.56
  4. Step 4: Simplify right side
    36,701.40x = 733,207,205.86
  5. Step 5: Solve for x
    x = 733,207,205.86/36,701.40
  6. Step 6: Final answer
    x = 19,977.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.