Home / 39,363.36-54,336.60-28,836.60

Finding the Fourth Proportional to 39,363.36, 54,336.60 and 28,836.60

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Solution

The fourth proportional to 39,363.36, 54,336.60 and 28,836.60 is: 39,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363.36 : 54,336.60 = 28,836.60 : x
  2. Step 2: Convert to fraction form
    39,363.36/54,336.60 = 28,836.60/x
  3. Step 3: Cross multiply
    39,363.36x = 54,336.60 × 28,836.60
  4. Step 4: Simplify right side
    39,363.36x = 1,566,882,799.56
  5. Step 5: Solve for x
    x = 1,566,882,799.56/39,363.36
  6. Step 6: Final answer
    x = 39,805.62

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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.