Home / 38,108.48-57,179.12-18,401.78

Finding the Fourth Proportional to 38,108.48, 57,179.12 and 18,401.78

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Solution

The fourth proportional to 38,108.48, 57,179.12 and 18,401.78 is: 27,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108.48 : 57,179.12 = 18,401.78 : x
  2. Step 2: Convert to fraction form
    38,108.48/57,179.12 = 18,401.78/x
  3. Step 3: Cross multiply
    38,108.48x = 57,179.12 × 18,401.78
  4. Step 4: Simplify right side
    38,108.48x = 1,052,197,637.77
  5. Step 5: Solve for x
    x = 1,052,197,637.77/38,108.48
  6. Step 6: Final answer
    x = 27,610.59

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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.