Home / 38,072.43-57,132.27-18,352.98

Finding the Fourth Proportional to 38,072.43, 57,132.27 and 18,352.98

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Solution

The fourth proportional to 38,072.43, 57,132.27 and 18,352.98 is: 27,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.43 : 57,132.27 = 18,352.98 : x
  2. Step 2: Convert to fraction form
    38,072.43/57,132.27 = 18,352.98/x
  3. Step 3: Cross multiply
    38,072.43x = 57,132.27 × 18,352.98
  4. Step 4: Simplify right side
    38,072.43x = 1,048,547,408.66
  5. Step 5: Solve for x
    x = 1,048,547,408.66/38,072.43
  6. Step 6: Final answer
    x = 27,540.86

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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.