Home / 36,555.75-54,836.37-20,754.68

Finding the Fourth Proportional to 36,555.75, 54,836.37 and 20,754.68

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Solution

The fourth proportional to 36,555.75, 54,836.37 and 20,754.68 is: 31,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,555.75 : 54,836.37 = 20,754.68 : x
  2. Step 2: Convert to fraction form
    36,555.75/54,836.37 = 20,754.68/x
  3. Step 3: Cross multiply
    36,555.75x = 54,836.37 × 20,754.68
  4. Step 4: Simplify right side
    36,555.75x = 1,138,111,037.53
  5. Step 5: Solve for x
    x = 1,138,111,037.53/36,555.75
  6. Step 6: Final answer
    x = 31,133.57

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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.