Home / 30,020.28-41,431.19-17,274.02

Finding the Fourth Proportional to 30,020.28, 41,431.19 and 17,274.02

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Solution

The fourth proportional to 30,020.28, 41,431.19 and 17,274.02 is: 23,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.28 : 41,431.19 = 17,274.02 : x
  2. Step 2: Convert to fraction form
    30,020.28/41,431.19 = 17,274.02/x
  3. Step 3: Cross multiply
    30,020.28x = 41,431.19 × 17,274.02
  4. Step 4: Simplify right side
    30,020.28x = 715,683,040.71
  5. Step 5: Solve for x
    x = 715,683,040.71/30,020.28
  6. Step 6: Final answer
    x = 23,839.99

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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.