Home / 45,236.76-67,877.63-20,294.43

Finding the Fourth Proportional to 45,236.76, 67,877.63 and 20,294.43

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Solution

The fourth proportional to 45,236.76, 67,877.63 and 20,294.43 is: 30,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,236.76 : 67,877.63 = 20,294.43 : x
  2. Step 2: Convert to fraction form
    45,236.76/67,877.63 = 20,294.43/x
  3. Step 3: Cross multiply
    45,236.76x = 67,877.63 × 20,294.43
  4. Step 4: Simplify right side
    45,236.76x = 1,377,537,709.13
  5. Step 5: Solve for x
    x = 1,377,537,709.13/45,236.76
  6. Step 6: Final answer
    x = 30,451.73

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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.