Home / 38,104.81-57,165.57-12,803.42

Finding the Fourth Proportional to 38,104.81, 57,165.57 and 12,803.42

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Solution

The fourth proportional to 38,104.81, 57,165.57 and 12,803.42 is: 19,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.81 : 57,165.57 = 12,803.42 : x
  2. Step 2: Convert to fraction form
    38,104.81/57,165.57 = 12,803.42/x
  3. Step 3: Cross multiply
    38,104.81x = 57,165.57 × 12,803.42
  4. Step 4: Simplify right side
    38,104.81x = 731,914,945.16
  5. Step 5: Solve for x
    x = 731,914,945.16/38,104.81
  6. Step 6: Final answer
    x = 19,207.94

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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.