Home / 42,556.70-63,834.12-11,391.96

Finding the Fourth Proportional to 42,556.70, 63,834.12 and 11,391.96

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Solution

The fourth proportional to 42,556.70, 63,834.12 and 11,391.96 is: 17,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,556.70 : 63,834.12 = 11,391.96 : x
  2. Step 2: Convert to fraction form
    42,556.70/63,834.12 = 11,391.96/x
  3. Step 3: Cross multiply
    42,556.70x = 63,834.12 × 11,391.96
  4. Step 4: Simplify right side
    42,556.70x = 727,195,741.68
  5. Step 5: Solve for x
    x = 727,195,741.68/42,556.70
  6. Step 6: Final answer
    x = 17,087.69

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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.