Home / 40,066.68-55,230.66-29,979.84

Finding the Fourth Proportional to 40,066.68, 55,230.66 and 29,979.84

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Solution

The fourth proportional to 40,066.68, 55,230.66 and 29,979.84 is: 41,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.68 : 55,230.66 = 29,979.84 : x
  2. Step 2: Convert to fraction form
    40,066.68/55,230.66 = 29,979.84/x
  3. Step 3: Cross multiply
    40,066.68x = 55,230.66 × 29,979.84
  4. Step 4: Simplify right side
    40,066.68x = 1,655,806,349.89
  5. Step 5: Solve for x
    x = 1,655,806,349.89/40,066.68
  6. Step 6: Final answer
    x = 41,326.27

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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.