Home / 30,724.92-42,399.99-17,296.20

Finding the Fourth Proportional to 30,724.92, 42,399.99 and 17,296.20

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Solution

The fourth proportional to 30,724.92, 42,399.99 and 17,296.20 is: 23,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.92 : 42,399.99 = 17,296.20 : x
  2. Step 2: Convert to fraction form
    30,724.92/42,399.99 = 17,296.20/x
  3. Step 3: Cross multiply
    30,724.92x = 42,399.99 × 17,296.20
  4. Step 4: Simplify right side
    30,724.92x = 733,358,707.04
  5. Step 5: Solve for x
    x = 733,358,707.04/30,724.92
  6. Step 6: Final answer
    x = 23,868.53

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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.