Home / 29,968.16-41,371.61-21,892.75

Finding the Fourth Proportional to 29,968.16, 41,371.61 and 21,892.75

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Solution

The fourth proportional to 29,968.16, 41,371.61 and 21,892.75 is: 30,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,968.16 : 41,371.61 = 21,892.75 : x
  2. Step 2: Convert to fraction form
    29,968.16/41,371.61 = 21,892.75/x
  3. Step 3: Cross multiply
    29,968.16x = 41,371.61 × 21,892.75
  4. Step 4: Simplify right side
    29,968.16x = 905,738,314.83
  5. Step 5: Solve for x
    x = 905,738,314.83/29,968.16
  6. Step 6: Final answer
    x = 30,223.35

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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.