Home / 39,134.50-54,005.61-22,367.86

Finding the Fourth Proportional to 39,134.50, 54,005.61 and 22,367.86

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Solution

The fourth proportional to 39,134.50, 54,005.61 and 22,367.86 is: 30,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.50 : 54,005.61 = 22,367.86 : x
  2. Step 2: Convert to fraction form
    39,134.50/54,005.61 = 22,367.86/x
  3. Step 3: Cross multiply
    39,134.50x = 54,005.61 × 22,367.86
  4. Step 4: Simplify right side
    39,134.50x = 1,207,989,923.69
  5. Step 5: Solve for x
    x = 1,207,989,923.69/39,134.50
  6. Step 6: Final answer
    x = 30,867.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.