Home / 38,230.72-57,346.09-11,937.71

Finding the Fourth Proportional to 38,230.72, 57,346.09 and 11,937.71

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Solution

The fourth proportional to 38,230.72, 57,346.09 and 11,937.71 is: 17,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,230.72 : 57,346.09 = 11,937.71 : x
  2. Step 2: Convert to fraction form
    38,230.72/57,346.09 = 11,937.71/x
  3. Step 3: Cross multiply
    38,230.72x = 57,346.09 × 11,937.71
  4. Step 4: Simplify right side
    38,230.72x = 684,581,105.57
  5. Step 5: Solve for x
    x = 684,581,105.57/38,230.72
  6. Step 6: Final answer
    x = 17,906.57

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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.