Home / 39,239.20-58,807.60-18,176.80

Finding the Fourth Proportional to 39,239.20, 58,807.60 and 18,176.80

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Solution

The fourth proportional to 39,239.20, 58,807.60 and 18,176.80 is: 27,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239.20 : 58,807.60 = 18,176.80 : x
  2. Step 2: Convert to fraction form
    39,239.20/58,807.60 = 18,176.80/x
  3. Step 3: Cross multiply
    39,239.20x = 58,807.60 × 18,176.80
  4. Step 4: Simplify right side
    39,239.20x = 1,068,933,983.68
  5. Step 5: Solve for x
    x = 1,068,933,983.68/39,239.20
  6. Step 6: Final answer
    x = 27,241.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.