Home / 34,400.81-47,453.89-21,649.23

Finding the Fourth Proportional to 34,400.81, 47,453.89 and 21,649.23

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Solution

The fourth proportional to 34,400.81, 47,453.89 and 21,649.23 is: 29,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,400.81 : 47,453.89 = 21,649.23 : x
  2. Step 2: Convert to fraction form
    34,400.81/47,453.89 = 21,649.23/x
  3. Step 3: Cross multiply
    34,400.81x = 47,453.89 × 21,649.23
  4. Step 4: Simplify right side
    34,400.81x = 1,027,340,165.47
  5. Step 5: Solve for x
    x = 1,027,340,165.47/34,400.81
  6. Step 6: Final answer
    x = 29,863.84

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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.