Home / 34,400.72-47,453.76-21,649.14

Finding the Fourth Proportional to 34,400.72, 47,453.76 and 21,649.14

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Solution

The fourth proportional to 34,400.72, 47,453.76 and 21,649.14 is: 29,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,400.72 : 47,453.76 = 21,649.14 : x
  2. Step 2: Convert to fraction form
    34,400.72/47,453.76 = 21,649.14/x
  3. Step 3: Cross multiply
    34,400.72x = 47,453.76 × 21,649.14
  4. Step 4: Simplify right side
    34,400.72x = 1,027,333,093.77
  5. Step 5: Solve for x
    x = 1,027,333,093.77/34,400.72
  6. Step 6: Final answer
    x = 29,863.71

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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.