Home / 30,600.33-42,228.06-17,171.85

Finding the Fourth Proportional to 30,600.33, 42,228.06 and 17,171.85

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Solution

The fourth proportional to 30,600.33, 42,228.06 and 17,171.85 is: 23,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.33 : 42,228.06 = 17,171.85 : x
  2. Step 2: Convert to fraction form
    30,600.33/42,228.06 = 17,171.85/x
  3. Step 3: Cross multiply
    30,600.33x = 42,228.06 × 17,171.85
  4. Step 4: Simplify right side
    30,600.33x = 725,133,912.11
  5. Step 5: Solve for x
    x = 725,133,912.11/30,600.33
  6. Step 6: Final answer
    x = 23,696.93

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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.