Home / 65,012.22-97,517.42-20,638.29

Finding the Fourth Proportional to 65,012.22, 97,517.42 and 20,638.29

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Solution

The fourth proportional to 65,012.22, 97,517.42 and 20,638.29 is: 30,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,012.22 : 97,517.42 = 20,638.29 : x
  2. Step 2: Convert to fraction form
    65,012.22/97,517.42 = 20,638.29/x
  3. Step 3: Cross multiply
    65,012.22x = 97,517.42 × 20,638.29
  4. Step 4: Simplify right side
    65,012.22x = 2,012,593,133.90
  5. Step 5: Solve for x
    x = 2,012,593,133.90/65,012.22
  6. Step 6: Final answer
    x = 30,957.15

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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.