Home / 30,614.64-42,248.19-17,185.92

Finding the Fourth Proportional to 30,614.64, 42,248.19 and 17,185.92

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Solution

The fourth proportional to 30,614.64, 42,248.19 and 17,185.92 is: 23,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.64 : 42,248.19 = 17,185.92 : x
  2. Step 2: Convert to fraction form
    30,614.64/42,248.19 = 17,185.92/x
  3. Step 3: Cross multiply
    30,614.64x = 42,248.19 × 17,185.92
  4. Step 4: Simplify right side
    30,614.64x = 726,074,033.18
  5. Step 5: Solve for x
    x = 726,074,033.18/30,614.64
  6. Step 6: Final answer
    x = 23,716.56

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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.