Home / 38,331.20-57,367.20-33,665.60

Finding the Fourth Proportional to 38,331.20, 57,367.20 and 33,665.60

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Solution

The fourth proportional to 38,331.20, 57,367.20 and 33,665.60 is: 50,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.20 : 57,367.20 = 33,665.60 : x
  2. Step 2: Convert to fraction form
    38,331.20/57,367.20 = 33,665.60/x
  3. Step 3: Cross multiply
    38,331.20x = 57,367.20 × 33,665.60
  4. Step 4: Simplify right side
    38,331.20x = 1,931,301,208.32
  5. Step 5: Solve for x
    x = 1,931,301,208.32/38,331.20
  6. Step 6: Final answer
    x = 50,384.57

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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.