Home / 38,061.71-57,084.23-12,764.78

Finding the Fourth Proportional to 38,061.71, 57,084.23 and 12,764.78

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Solution

The fourth proportional to 38,061.71, 57,084.23 and 12,764.78 is: 19,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061.71 : 57,084.23 = 12,764.78 : x
  2. Step 2: Convert to fraction form
    38,061.71/57,084.23 = 12,764.78/x
  3. Step 3: Cross multiply
    38,061.71x = 57,084.23 × 12,764.78
  4. Step 4: Simplify right side
    38,061.71x = 728,667,919.07
  5. Step 5: Solve for x
    x = 728,667,919.07/38,061.71
  6. Step 6: Final answer
    x = 19,144.38

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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.