Home / 30,422.28-41,969.76-19,084.08

Finding the Fourth Proportional to 30,422.28, 41,969.76 and 19,084.08

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Solution

The fourth proportional to 30,422.28, 41,969.76 and 19,084.08 is: 26,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422.28 : 41,969.76 = 19,084.08 : x
  2. Step 2: Convert to fraction form
    30,422.28/41,969.76 = 19,084.08/x
  3. Step 3: Cross multiply
    30,422.28x = 41,969.76 × 19,084.08
  4. Step 4: Simplify right side
    30,422.28x = 800,954,257.42
  5. Step 5: Solve for x
    x = 800,954,257.42/30,422.28
  6. Step 6: Final answer
    x = 26,327.88

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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.