Home / 54,541.11-81,824.83-18,997.23

Finding the Fourth Proportional to 54,541.11, 81,824.83 and 18,997.23

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Solution

The fourth proportional to 54,541.11, 81,824.83 and 18,997.23 is: 28,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.11 : 81,824.83 = 18,997.23 : x
  2. Step 2: Convert to fraction form
    54,541.11/81,824.83 = 18,997.23/x
  3. Step 3: Cross multiply
    54,541.11x = 81,824.83 × 18,997.23
  4. Step 4: Simplify right side
    54,541.11x = 1,554,445,115.22
  5. Step 5: Solve for x
    x = 1,554,445,115.22/54,541.11
  6. Step 6: Final answer
    x = 28,500.43

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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.