Home / 33,040.51-49,539.20-18,809.42

Finding the Fourth Proportional to 33,040.51, 49,539.20 and 18,809.42

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Solution

The fourth proportional to 33,040.51, 49,539.20 and 18,809.42 is: 28,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,040.51 : 49,539.20 = 18,809.42 : x
  2. Step 2: Convert to fraction form
    33,040.51/49,539.20 = 18,809.42/x
  3. Step 3: Cross multiply
    33,040.51x = 49,539.20 × 18,809.42
  4. Step 4: Simplify right side
    33,040.51x = 931,803,277.52
  5. Step 5: Solve for x
    x = 931,803,277.52/33,040.51
  6. Step 6: Final answer
    x = 28,201.85

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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.