Home / 38,401.20-57,553.20-18,637.20

Finding the Fourth Proportional to 38,401.20, 57,553.20 and 18,637.20

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Solution

The fourth proportional to 38,401.20, 57,553.20 and 18,637.20 is: 27,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.20 : 57,553.20 = 18,637.20 : x
  2. Step 2: Convert to fraction form
    38,401.20/57,553.20 = 18,637.20/x
  3. Step 3: Cross multiply
    38,401.20x = 57,553.20 × 18,637.20
  4. Step 4: Simplify right side
    38,401.20x = 1,072,630,499.04
  5. Step 5: Solve for x
    x = 1,072,630,499.04/38,401.20
  6. Step 6: Final answer
    x = 27,932.21

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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.