Home / 40,221.05-55,490.69-25,107.97

Finding the Fourth Proportional to 40,221.05, 55,490.69 and 25,107.97

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Solution

The fourth proportional to 40,221.05, 55,490.69 and 25,107.97 is: 34,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.05 : 55,490.69 = 25,107.97 : x
  2. Step 2: Convert to fraction form
    40,221.05/55,490.69 = 25,107.97/x
  3. Step 3: Cross multiply
    40,221.05x = 55,490.69 × 25,107.97
  4. Step 4: Simplify right side
    40,221.05x = 1,393,258,503.84
  5. Step 5: Solve for x
    x = 1,393,258,503.84/40,221.05
  6. Step 6: Final answer
    x = 34,640.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.