Home / 39,107.10-53,998.86-36,121.86

Finding the Fourth Proportional to 39,107.10, 53,998.86 and 36,121.86

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Solution

The fourth proportional to 39,107.10, 53,998.86 and 36,121.86 is: 49,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.10 : 53,998.86 = 36,121.86 : x
  2. Step 2: Convert to fraction form
    39,107.10/53,998.86 = 36,121.86/x
  3. Step 3: Cross multiply
    39,107.10x = 53,998.86 × 36,121.86
  4. Step 4: Simplify right side
    39,107.10x = 1,950,539,261.08
  5. Step 5: Solve for x
    x = 1,950,539,261.08/39,107.10
  6. Step 6: Final answer
    x = 49,876.86

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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.