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Finding the Fourth Proportional to 57,517.30, 86,301.06 and 20,104.22

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Solution

The fourth proportional to 57,517.30, 86,301.06 and 20,104.22 is: 30,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.30 : 86,301.06 = 20,104.22 : x
  2. Step 2: Convert to fraction form
    57,517.30/86,301.06 = 20,104.22/x
  3. Step 3: Cross multiply
    57,517.30x = 86,301.06 × 20,104.22
  4. Step 4: Simplify right side
    57,517.30x = 1,735,015,264.48
  5. Step 5: Solve for x
    x = 1,735,015,264.48/57,517.30
  6. Step 6: Final answer
    x = 30,165.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.