Home / 40,066.18-55,229.96-29,979.34

Finding the Fourth Proportional to 40,066.18, 55,229.96 and 29,979.34

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Solution

The fourth proportional to 40,066.18, 55,229.96 and 29,979.34 is: 41,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.18 : 55,229.96 = 29,979.34 : x
  2. Step 2: Convert to fraction form
    40,066.18/55,229.96 = 29,979.34/x
  3. Step 3: Cross multiply
    40,066.18x = 55,229.96 × 29,979.34
  4. Step 4: Simplify right side
    40,066.18x = 1,655,757,749.03
  5. Step 5: Solve for x
    x = 1,655,757,749.03/40,066.18
  6. Step 6: Final answer
    x = 41,325.57

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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.