Home / 38,133.10-57,183.45-18,417.70

Finding the Fourth Proportional to 38,133.10, 57,183.45 and 18,417.70

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Solution

The fourth proportional to 38,133.10, 57,183.45 and 18,417.70 is: 27,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.10 : 57,183.45 = 18,417.70 : x
  2. Step 2: Convert to fraction form
    38,133.10/57,183.45 = 18,417.70/x
  3. Step 3: Cross multiply
    38,133.10x = 57,183.45 × 18,417.70
  4. Step 4: Simplify right side
    38,133.10x = 1,053,187,627.07
  5. Step 5: Solve for x
    x = 1,053,187,627.07/38,133.10
  6. Step 6: Final answer
    x = 27,618.73

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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.