Home / 29,670.66-40,945.56-16,241.92

Finding the Fourth Proportional to 29,670.66, 40,945.56 and 16,241.92

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Solution

The fourth proportional to 29,670.66, 40,945.56 and 16,241.92 is: 22,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,670.66 : 40,945.56 = 16,241.92 : x
  2. Step 2: Convert to fraction form
    29,670.66/40,945.56 = 16,241.92/x
  3. Step 3: Cross multiply
    29,670.66x = 40,945.56 × 16,241.92
  4. Step 4: Simplify right side
    29,670.66x = 665,034,489.57
  5. Step 5: Solve for x
    x = 665,034,489.57/29,670.66
  6. Step 6: Final answer
    x = 22,413.88

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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.