Home / 29,131.23-40,184.87-20,183.97

Finding the Fourth Proportional to 29,131.23, 40,184.87 and 20,183.97

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Solution

The fourth proportional to 29,131.23, 40,184.87 and 20,183.97 is: 27,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.23 : 40,184.87 = 20,183.97 : x
  2. Step 2: Convert to fraction form
    29,131.23/40,184.87 = 20,183.97/x
  3. Step 3: Cross multiply
    29,131.23x = 40,184.87 × 20,183.97
  4. Step 4: Simplify right side
    29,131.23x = 811,090,109.61
  5. Step 5: Solve for x
    x = 811,090,109.61/29,131.23
  6. Step 6: Final answer
    x = 27,842.63

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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.