Home / 30,725.24-42,401.61-17,296.97

Finding the Fourth Proportional to 30,725.24, 42,401.61 and 17,296.97

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Solution

The fourth proportional to 30,725.24, 42,401.61 and 17,296.97 is: 23,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.24 : 42,401.61 = 17,296.97 : x
  2. Step 2: Convert to fraction form
    30,725.24/42,401.61 = 17,296.97/x
  3. Step 3: Cross multiply
    30,725.24x = 42,401.61 × 17,296.97
  4. Step 4: Simplify right side
    30,725.24x = 733,419,164.11
  5. Step 5: Solve for x
    x = 733,419,164.11/30,725.24
  6. Step 6: Final answer
    x = 23,870.25

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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.