Home / 39,385.86-54,350.32-22,387.74

Finding the Fourth Proportional to 39,385.86, 54,350.32 and 22,387.74

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Solution

The fourth proportional to 39,385.86, 54,350.32 and 22,387.74 is: 30,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.86 : 54,350.32 = 22,387.74 : x
  2. Step 2: Convert to fraction form
    39,385.86/54,350.32 = 22,387.74/x
  3. Step 3: Cross multiply
    39,385.86x = 54,350.32 × 22,387.74
  4. Step 4: Simplify right side
    39,385.86x = 1,216,780,833.08
  5. Step 5: Solve for x
    x = 1,216,780,833.08/39,385.86
  6. Step 6: Final answer
    x = 30,893.85

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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.