Home / 34,734.33-47,934.24-21,297.78

Finding the Fourth Proportional to 34,734.33, 47,934.24 and 21,297.78

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Solution

The fourth proportional to 34,734.33, 47,934.24 and 21,297.78 is: 29,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,734.33 : 47,934.24 = 21,297.78 : x
  2. Step 2: Convert to fraction form
    34,734.33/47,934.24 = 21,297.78/x
  3. Step 3: Cross multiply
    34,734.33x = 47,934.24 × 21,297.78
  4. Step 4: Simplify right side
    34,734.33x = 1,020,892,897.99
  5. Step 5: Solve for x
    x = 1,020,892,897.99/34,734.33
  6. Step 6: Final answer
    x = 29,391.47

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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.