Home / 55,057.36-75,979.20-29,906.84

Finding the Fourth Proportional to 55,057.36, 75,979.20 and 29,906.84

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Solution

The fourth proportional to 55,057.36, 75,979.20 and 29,906.84 is: 41,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.36 : 75,979.20 = 29,906.84 : x
  2. Step 2: Convert to fraction form
    55,057.36/75,979.20 = 29,906.84/x
  3. Step 3: Cross multiply
    55,057.36x = 75,979.20 × 29,906.84
  4. Step 4: Simplify right side
    55,057.36x = 2,272,297,777.73
  5. Step 5: Solve for x
    x = 2,272,297,777.73/55,057.36
  6. Step 6: Final answer
    x = 41,271.46

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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.