Home / 45,212.50-67,833.06-20,273.95

Finding the Fourth Proportional to 45,212.50, 67,833.06 and 20,273.95

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Solution

The fourth proportional to 45,212.50, 67,833.06 and 20,273.95 is: 30,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212.50 : 67,833.06 = 20,273.95 : x
  2. Step 2: Convert to fraction form
    45,212.50/67,833.06 = 20,273.95/x
  3. Step 3: Cross multiply
    45,212.50x = 67,833.06 × 20,273.95
  4. Step 4: Simplify right side
    45,212.50x = 1,375,244,066.79
  5. Step 5: Solve for x
    x = 1,375,244,066.79/45,212.50
  6. Step 6: Final answer
    x = 30,417.34

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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.