Home / 45,101.11-67,650.27-21,425.69

Finding the Fourth Proportional to 45,101.11, 67,650.27 and 21,425.69

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Solution

The fourth proportional to 45,101.11, 67,650.27 and 21,425.69 is: 32,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.11 : 67,650.27 = 21,425.69 : x
  2. Step 2: Convert to fraction form
    45,101.11/67,650.27 = 21,425.69/x
  3. Step 3: Cross multiply
    45,101.11x = 67,650.27 × 21,425.69
  4. Step 4: Simplify right side
    45,101.11x = 1,449,453,802.22
  5. Step 5: Solve for x
    x = 1,449,453,802.22/45,101.11
  6. Step 6: Final answer
    x = 32,137.87

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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.