Home / 38,106.81-57,163.18-11,450.72

Finding the Fourth Proportional to 38,106.81, 57,163.18 and 11,450.72

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Solution

The fourth proportional to 38,106.81, 57,163.18 and 11,450.72 is: 17,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.81 : 57,163.18 = 11,450.72 : x
  2. Step 2: Convert to fraction form
    38,106.81/57,163.18 = 11,450.72/x
  3. Step 3: Cross multiply
    38,106.81x = 57,163.18 × 11,450.72
  4. Step 4: Simplify right side
    38,106.81x = 654,559,554.12
  5. Step 5: Solve for x
    x = 654,559,554.12/38,106.81
  6. Step 6: Final answer
    x = 17,176.97

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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.