Home / 38,180.64-57,257.23-13,213.91

Finding the Fourth Proportional to 38,180.64, 57,257.23 and 13,213.91

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Solution

The fourth proportional to 38,180.64, 57,257.23 and 13,213.91 is: 19,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.64 : 57,257.23 = 13,213.91 : x
  2. Step 2: Convert to fraction form
    38,180.64/57,257.23 = 13,213.91/x
  3. Step 3: Cross multiply
    38,180.64x = 57,257.23 × 13,213.91
  4. Step 4: Simplify right side
    38,180.64x = 756,591,597.78
  5. Step 5: Solve for x
    x = 756,591,597.78/38,180.64
  6. Step 6: Final answer
    x = 19,816.11

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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.