Home / 40,652.30-60,987.41-12,188.12

Finding the Fourth Proportional to 40,652.30, 60,987.41 and 12,188.12

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Solution

The fourth proportional to 40,652.30, 60,987.41 and 12,188.12 is: 18,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,652.30 : 60,987.41 = 12,188.12 : x
  2. Step 2: Convert to fraction form
    40,652.30/60,987.41 = 12,188.12/x
  3. Step 3: Cross multiply
    40,652.30x = 60,987.41 × 12,188.12
  4. Step 4: Simplify right side
    40,652.30x = 743,321,902.04
  5. Step 5: Solve for x
    x = 743,321,902.04/40,652.30
  6. Step 6: Final answer
    x = 18,284.87

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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.