Home / 54,713.67-82,080.23-18,688.17

Finding the Fourth Proportional to 54,713.67, 82,080.23 and 18,688.17

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Solution

The fourth proportional to 54,713.67, 82,080.23 and 18,688.17 is: 28,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,713.67 : 82,080.23 = 18,688.17 : x
  2. Step 2: Convert to fraction form
    54,713.67/82,080.23 = 18,688.17/x
  3. Step 3: Cross multiply
    54,713.67x = 82,080.23 × 18,688.17
  4. Step 4: Simplify right side
    54,713.67x = 1,533,929,198.44
  5. Step 5: Solve for x
    x = 1,533,929,198.44/54,713.67
  6. Step 6: Final answer
    x = 28,035.57

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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.