Home / 39,107.60-53,999.55-36,122.36

Finding the Fourth Proportional to 39,107.60, 53,999.55 and 36,122.36

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Solution

The fourth proportional to 39,107.60, 53,999.55 and 36,122.36 is: 49,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.60 : 53,999.55 = 36,122.36 : x
  2. Step 2: Convert to fraction form
    39,107.60/53,999.55 = 36,122.36/x
  3. Step 3: Cross multiply
    39,107.60x = 53,999.55 × 36,122.36
  4. Step 4: Simplify right side
    39,107.60x = 1,950,591,184.94
  5. Step 5: Solve for x
    x = 1,950,591,184.94/39,107.60
  6. Step 6: Final answer
    x = 49,877.55

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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.