Home / 38,107.65-57,180.99-18,139.74

Finding the Fourth Proportional to 38,107.65, 57,180.99 and 18,139.74

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Solution

The fourth proportional to 38,107.65, 57,180.99 and 18,139.74 is: 27,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,107.65 : 57,180.99 = 18,139.74 : x
  2. Step 2: Convert to fraction form
    38,107.65/57,180.99 = 18,139.74/x
  3. Step 3: Cross multiply
    38,107.65x = 57,180.99 × 18,139.74
  4. Step 4: Simplify right side
    38,107.65x = 1,037,248,291.54
  5. Step 5: Solve for x
    x = 1,037,248,291.54/38,107.65
  6. Step 6: Final answer
    x = 27,218.90

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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.