Home / 38,179.98-57,256.25-13,213.25

Finding the Fourth Proportional to 38,179.98, 57,256.25 and 13,213.25

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Solution

The fourth proportional to 38,179.98, 57,256.25 and 13,213.25 is: 19,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.98 : 57,256.25 = 13,213.25 : x
  2. Step 2: Convert to fraction form
    38,179.98/57,256.25 = 13,213.25/x
  3. Step 3: Cross multiply
    38,179.98x = 57,256.25 × 13,213.25
  4. Step 4: Simplify right side
    38,179.98x = 756,541,222.39
  5. Step 5: Solve for x
    x = 756,541,222.39/38,179.98
  6. Step 6: Final answer
    x = 19,815.13

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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.