Home / 38,106.65-57,179.49-18,138.74

Finding the Fourth Proportional to 38,106.65, 57,179.49 and 18,138.74

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Solution

The fourth proportional to 38,106.65, 57,179.49 and 18,138.74 is: 27,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.65 : 57,179.49 = 18,138.74 : x
  2. Step 2: Convert to fraction form
    38,106.65/57,179.49 = 18,138.74/x
  3. Step 3: Cross multiply
    38,106.65x = 57,179.49 × 18,138.74
  4. Step 4: Simplify right side
    38,106.65x = 1,037,163,616.55
  5. Step 5: Solve for x
    x = 1,037,163,616.55/38,106.65
  6. Step 6: Final answer
    x = 27,217.40

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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.