Home / 38,100.90-57,110.85-18,366.60

Finding the Fourth Proportional to 38,100.90, 57,110.85 and 18,366.60

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Solution

The fourth proportional to 38,100.90, 57,110.85 and 18,366.60 is: 27,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.90 : 57,110.85 = 18,366.60 : x
  2. Step 2: Convert to fraction form
    38,100.90/57,110.85 = 18,366.60/x
  3. Step 3: Cross multiply
    38,100.90x = 57,110.85 × 18,366.60
  4. Step 4: Simplify right side
    38,100.90x = 1,048,932,137.61
  5. Step 5: Solve for x
    x = 1,048,932,137.61/38,100.90
  6. Step 6: Final answer
    x = 27,530.38

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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.