Home / 38,651.62-57,979.18-10,571.05

Finding the Fourth Proportional to 38,651.62, 57,979.18 and 10,571.05

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Solution

The fourth proportional to 38,651.62, 57,979.18 and 10,571.05 is: 15,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,651.62 : 57,979.18 = 10,571.05 : x
  2. Step 2: Convert to fraction form
    38,651.62/57,979.18 = 10,571.05/x
  3. Step 3: Cross multiply
    38,651.62x = 57,979.18 × 10,571.05
  4. Step 4: Simplify right side
    38,651.62x = 612,900,639.36
  5. Step 5: Solve for x
    x = 612,900,639.36/38,651.62
  6. Step 6: Final answer
    x = 15,857.05

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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.