Home / 39,757.50-54,807.53-27,783.66

Finding the Fourth Proportional to 39,757.50, 54,807.53 and 27,783.66

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Solution

The fourth proportional to 39,757.50, 54,807.53 and 27,783.66 is: 38,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.50 : 54,807.53 = 27,783.66 : x
  2. Step 2: Convert to fraction form
    39,757.50/54,807.53 = 27,783.66/x
  3. Step 3: Cross multiply
    39,757.50x = 54,807.53 × 27,783.66
  4. Step 4: Simplify right side
    39,757.50x = 1,522,753,778.96
  5. Step 5: Solve for x
    x = 1,522,753,778.96/39,757.50
  6. Step 6: Final answer
    x = 38,301.04

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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.