Home / 38,272.45-57,401.38-18,542.11

Finding the Fourth Proportional to 38,272.45, 57,401.38 and 18,542.11

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Solution

The fourth proportional to 38,272.45, 57,401.38 and 18,542.11 is: 27,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.45 : 57,401.38 = 18,542.11 : x
  2. Step 2: Convert to fraction form
    38,272.45/57,401.38 = 18,542.11/x
  3. Step 3: Cross multiply
    38,272.45x = 57,401.38 × 18,542.11
  4. Step 4: Simplify right side
    38,272.45x = 1,064,342,702.11
  5. Step 5: Solve for x
    x = 1,064,342,702.11/38,272.45
  6. Step 6: Final answer
    x = 27,809.63

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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.