Home / 38,105.81-57,167.07-12,804.42

Finding the Fourth Proportional to 38,105.81, 57,167.07 and 12,804.42

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Solution

The fourth proportional to 38,105.81, 57,167.07 and 12,804.42 is: 19,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.81 : 57,167.07 = 12,804.42 : x
  2. Step 2: Convert to fraction form
    38,105.81/57,167.07 = 12,804.42/x
  3. Step 3: Cross multiply
    38,105.81x = 57,167.07 × 12,804.42
  4. Step 4: Simplify right side
    38,105.81x = 731,991,174.45
  5. Step 5: Solve for x
    x = 731,991,174.45/38,105.81
  6. Step 6: Final answer
    x = 19,209.44

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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.