Home / 35,634.40-49,172.13-21,291.37

Finding the Fourth Proportional to 35,634.40, 49,172.13 and 21,291.37

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Solution

The fourth proportional to 35,634.40, 49,172.13 and 21,291.37 is: 29,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,634.40 : 49,172.13 = 21,291.37 : x
  2. Step 2: Convert to fraction form
    35,634.40/49,172.13 = 21,291.37/x
  3. Step 3: Cross multiply
    35,634.40x = 49,172.13 × 21,291.37
  4. Step 4: Simplify right side
    35,634.40x = 1,046,942,257.47
  5. Step 5: Solve for x
    x = 1,046,942,257.47/35,634.40
  6. Step 6: Final answer
    x = 29,380.10

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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.