Home / 54,039.75-81,059.99-17,103.75

Finding the Fourth Proportional to 54,039.75, 81,059.99 and 17,103.75

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Solution

The fourth proportional to 54,039.75, 81,059.99 and 17,103.75 is: 25,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,039.75 : 81,059.99 = 17,103.75 : x
  2. Step 2: Convert to fraction form
    54,039.75/81,059.99 = 17,103.75/x
  3. Step 3: Cross multiply
    54,039.75x = 81,059.99 × 17,103.75
  4. Step 4: Simplify right side
    54,039.75x = 1,386,429,718.44
  5. Step 5: Solve for x
    x = 1,386,429,718.44/54,039.75
  6. Step 6: Final answer
    x = 25,655.74

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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.