Home / 40,079.64-55,331.96-30,004.44

Finding the Fourth Proportional to 40,079.64, 55,331.96 and 30,004.44

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Solution

The fourth proportional to 40,079.64, 55,331.96 and 30,004.44 is: 41,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.64 : 55,331.96 = 30,004.44 : x
  2. Step 2: Convert to fraction form
    40,079.64/55,331.96 = 30,004.44/x
  3. Step 3: Cross multiply
    40,079.64x = 55,331.96 × 30,004.44
  4. Step 4: Simplify right side
    40,079.64x = 1,660,204,473.90
  5. Step 5: Solve for x
    x = 1,660,204,473.90/40,079.64
  6. Step 6: Final answer
    x = 41,422.64

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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.