Home / 38,872.78-58,299.45-11,170.78

Finding the Fourth Proportional to 38,872.78, 58,299.45 and 11,170.78

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Solution

The fourth proportional to 38,872.78, 58,299.45 and 11,170.78 is: 16,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872.78 : 58,299.45 = 11,170.78 : x
  2. Step 2: Convert to fraction form
    38,872.78/58,299.45 = 11,170.78/x
  3. Step 3: Cross multiply
    38,872.78x = 58,299.45 × 11,170.78
  4. Step 4: Simplify right side
    38,872.78x = 651,250,330.07
  5. Step 5: Solve for x
    x = 651,250,330.07/38,872.78
  6. Step 6: Final answer
    x = 16,753.38

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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.