Home / 30,694.91-42,346.99-17,263.09

Finding the Fourth Proportional to 30,694.91, 42,346.99 and 17,263.09

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Solution

The fourth proportional to 30,694.91, 42,346.99 and 17,263.09 is: 23,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.91 : 42,346.99 = 17,263.09 : x
  2. Step 2: Convert to fraction form
    30,694.91/42,346.99 = 17,263.09/x
  3. Step 3: Cross multiply
    30,694.91x = 42,346.99 × 17,263.09
  4. Step 4: Simplify right side
    30,694.91x = 731,039,601.55
  5. Step 5: Solve for x
    x = 731,039,601.55/30,694.91
  6. Step 6: Final answer
    x = 23,816.31

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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.