Home / 33,030.73-45,620.27-21,750.66

Finding the Fourth Proportional to 33,030.73, 45,620.27 and 21,750.66

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Solution

The fourth proportional to 33,030.73, 45,620.27 and 21,750.66 is: 30,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,030.73 : 45,620.27 = 21,750.66 : x
  2. Step 2: Convert to fraction form
    33,030.73/45,620.27 = 21,750.66/x
  3. Step 3: Cross multiply
    33,030.73x = 45,620.27 × 21,750.66
  4. Step 4: Simplify right side
    33,030.73x = 992,270,981.88
  5. Step 5: Solve for x
    x = 992,270,981.88/33,030.73
  6. Step 6: Final answer
    x = 30,040.84

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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.