Home / 38,237.72-57,357.50-18,512.60

Finding the Fourth Proportional to 38,237.72, 57,357.50 and 18,512.60

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Solution

The fourth proportional to 38,237.72, 57,357.50 and 18,512.60 is: 27,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,237.72 : 57,357.50 = 18,512.60 : x
  2. Step 2: Convert to fraction form
    38,237.72/57,357.50 = 18,512.60/x
  3. Step 3: Cross multiply
    38,237.72x = 57,357.50 × 18,512.60
  4. Step 4: Simplify right side
    38,237.72x = 1,061,836,454.50
  5. Step 5: Solve for x
    x = 1,061,836,454.50/38,237.72
  6. Step 6: Final answer
    x = 27,769.35

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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.