Home / 34,645.39-47,809.97-19,537.78

Finding the Fourth Proportional to 34,645.39, 47,809.97 and 19,537.78

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Solution

The fourth proportional to 34,645.39, 47,809.97 and 19,537.78 is: 26,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,645.39 : 47,809.97 = 19,537.78 : x
  2. Step 2: Convert to fraction form
    34,645.39/47,809.97 = 19,537.78/x
  3. Step 3: Cross multiply
    34,645.39x = 47,809.97 × 19,537.78
  4. Step 4: Simplify right side
    34,645.39x = 934,100,338.93
  5. Step 5: Solve for x
    x = 934,100,338.93/34,645.39
  6. Step 6: Final answer
    x = 26,961.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.