Home / 30,286.27-41,792.97-18,955.29

Finding the Fourth Proportional to 30,286.27, 41,792.97 and 18,955.29

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Solution

The fourth proportional to 30,286.27, 41,792.97 and 18,955.29 is: 26,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.27 : 41,792.97 = 18,955.29 : x
  2. Step 2: Convert to fraction form
    30,286.27/41,792.97 = 18,955.29/x
  3. Step 3: Cross multiply
    30,286.27x = 41,792.97 × 18,955.29
  4. Step 4: Simplify right side
    30,286.27x = 792,197,866.31
  5. Step 5: Solve for x
    x = 792,197,866.31/30,286.27
  6. Step 6: Final answer
    x = 26,157.00

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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.