Home / 30,453.31-42,028-17,536.61

Finding the Fourth Proportional to 30,453.31, 42,028 and 17,536.61

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Solution

The fourth proportional to 30,453.31, 42,028 and 17,536.61 is: 24,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.31 : 42,028 = 17,536.61 : x
  2. Step 2: Convert to fraction form
    30,453.31/42,028 = 17,536.61/x
  3. Step 3: Cross multiply
    30,453.31x = 42,028 × 17,536.61
  4. Step 4: Simplify right side
    30,453.31x = 737,028,645.08
  5. Step 5: Solve for x
    x = 737,028,645.08/30,453.31
  6. Step 6: Final answer
    x = 24,201.92

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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.