Home / 38,344.46-57,438.83-19,357.37

Finding the Fourth Proportional to 38,344.46, 57,438.83 and 19,357.37

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Solution

The fourth proportional to 38,344.46, 57,438.83 and 19,357.37 is: 28,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,344.46 : 57,438.83 = 19,357.37 : x
  2. Step 2: Convert to fraction form
    38,344.46/57,438.83 = 19,357.37/x
  3. Step 3: Cross multiply
    38,344.46x = 57,438.83 × 19,357.37
  4. Step 4: Simplify right side
    38,344.46x = 1,111,864,300.70
  5. Step 5: Solve for x
    x = 1,111,864,300.70/38,344.46
  6. Step 6: Final answer
    x = 28,996.74

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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.