Home / 40,188.25-60,319.59-20,481.49

Finding the Fourth Proportional to 40,188.25, 60,319.59 and 20,481.49

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Solution

The fourth proportional to 40,188.25, 60,319.59 and 20,481.49 is: 30,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.25 : 60,319.59 = 20,481.49 : x
  2. Step 2: Convert to fraction form
    40,188.25/60,319.59 = 20,481.49/x
  3. Step 3: Cross multiply
    40,188.25x = 60,319.59 × 20,481.49
  4. Step 4: Simplify right side
    40,188.25x = 1,235,435,079.39
  5. Step 5: Solve for x
    x = 1,235,435,079.39/40,188.25
  6. Step 6: Final answer
    x = 30,741.20

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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.