Home / 45,101.36-67,650.64-21,425.94

Finding the Fourth Proportional to 45,101.36, 67,650.64 and 21,425.94

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Solution

The fourth proportional to 45,101.36, 67,650.64 and 21,425.94 is: 32,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.36 : 67,650.64 = 21,425.94 : x
  2. Step 2: Convert to fraction form
    45,101.36/67,650.64 = 21,425.94/x
  3. Step 3: Cross multiply
    45,101.36x = 67,650.64 × 21,425.94
  4. Step 4: Simplify right side
    45,101.36x = 1,449,478,722.73
  5. Step 5: Solve for x
    x = 1,449,478,722.73/45,101.36
  6. Step 6: Final answer
    x = 32,138.25

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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.