Home / 54,016.67-80,969.63-20,727.80

Finding the Fourth Proportional to 54,016.67, 80,969.63 and 20,727.80

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Solution

The fourth proportional to 54,016.67, 80,969.63 and 20,727.80 is: 31,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,016.67 : 80,969.63 = 20,727.80 : x
  2. Step 2: Convert to fraction form
    54,016.67/80,969.63 = 20,727.80/x
  3. Step 3: Cross multiply
    54,016.67x = 80,969.63 × 20,727.80
  4. Step 4: Simplify right side
    54,016.67x = 1,678,322,091.86
  5. Step 5: Solve for x
    x = 1,678,322,091.86/54,016.67
  6. Step 6: Final answer
    x = 31,070.45

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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.