Home / 33,255.87-45,891.68-18,148.16

Finding the Fourth Proportional to 33,255.87, 45,891.68 and 18,148.16

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Solution

The fourth proportional to 33,255.87, 45,891.68 and 18,148.16 is: 25,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.87 : 45,891.68 = 18,148.16 : x
  2. Step 2: Convert to fraction form
    33,255.87/45,891.68 = 18,148.16/x
  3. Step 3: Cross multiply
    33,255.87x = 45,891.68 × 18,148.16
  4. Step 4: Simplify right side
    33,255.87x = 832,849,231.11
  5. Step 5: Solve for x
    x = 832,849,231.11/33,255.87
  6. Step 6: Final answer
    x = 25,043.68

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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.