Home / 29,055.96-43,578.20-7,990.56

Finding the Fourth Proportional to 29,055.96, 43,578.20 and 7,990.56

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Solution

The fourth proportional to 29,055.96, 43,578.20 and 7,990.56 is: 11,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,055.96 : 43,578.20 = 7,990.56 : x
  2. Step 2: Convert to fraction form
    29,055.96/43,578.20 = 7,990.56/x
  3. Step 3: Cross multiply
    29,055.96x = 43,578.20 × 7,990.56
  4. Step 4: Simplify right side
    29,055.96x = 348,214,320.75
  5. Step 5: Solve for x
    x = 348,214,320.75/29,055.96
  6. Step 6: Final answer
    x = 11,984.27

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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.