Home / 54,329.20-81,507.66-16,889.59

Finding the Fourth Proportional to 54,329.20, 81,507.66 and 16,889.59

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Solution

The fourth proportional to 54,329.20, 81,507.66 and 16,889.59 is: 25,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.20 : 81,507.66 = 16,889.59 : x
  2. Step 2: Convert to fraction form
    54,329.20/81,507.66 = 16,889.59/x
  3. Step 3: Cross multiply
    54,329.20x = 81,507.66 × 16,889.59
  4. Step 4: Simplify right side
    54,329.20x = 1,376,630,959.26
  5. Step 5: Solve for x
    x = 1,376,630,959.26/54,329.20
  6. Step 6: Final answer
    x = 25,338.69

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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.