Home / 67,944.84-101,917.26-21,201.36

Finding the Fourth Proportional to 67,944.84, 101,917.26 and 21,201.36

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Solution

The fourth proportional to 67,944.84, 101,917.26 and 21,201.36 is: 31,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,944.84 : 101,917.26 = 21,201.36 : x
  2. Step 2: Convert to fraction form
    67,944.84/101,917.26 = 21,201.36/x
  3. Step 3: Cross multiply
    67,944.84x = 101,917.26 × 21,201.36
  4. Step 4: Simplify right side
    67,944.84x = 2,160,784,519.47
  5. Step 5: Solve for x
    x = 2,160,784,519.47/67,944.84
  6. Step 6: Final answer
    x = 31,802.04

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1.5x scale

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.