Home / 35,422.40-53,107.47-11,721.39

Finding the Fourth Proportional to 35,422.40, 53,107.47 and 11,721.39

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Solution

The fourth proportional to 35,422.40, 53,107.47 and 11,721.39 is: 17,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.40 : 53,107.47 = 11,721.39 : x
  2. Step 2: Convert to fraction form
    35,422.40/53,107.47 = 11,721.39/x
  3. Step 3: Cross multiply
    35,422.40x = 53,107.47 × 11,721.39
  4. Step 4: Simplify right side
    35,422.40x = 622,493,367.78
  5. Step 5: Solve for x
    x = 622,493,367.78/35,422.40
  6. Step 6: Final answer
    x = 17,573.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.