Home / 38,153.86-57,243.24-18,434.68

Finding the Fourth Proportional to 38,153.86, 57,243.24 and 18,434.68

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Solution

The fourth proportional to 38,153.86, 57,243.24 and 18,434.68 is: 27,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,153.86 : 57,243.24 = 18,434.68 : x
  2. Step 2: Convert to fraction form
    38,153.86/57,243.24 = 18,434.68/x
  3. Step 3: Cross multiply
    38,153.86x = 57,243.24 × 18,434.68
  4. Step 4: Simplify right side
    38,153.86x = 1,055,260,811.56
  5. Step 5: Solve for x
    x = 1,055,260,811.56/38,153.86
  6. Step 6: Final answer
    x = 27,658.04

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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.