Home / 33,008.91-45,578.46-30,490.08

Finding the Fourth Proportional to 33,008.91, 45,578.46 and 30,490.08

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Solution

The fourth proportional to 33,008.91, 45,578.46 and 30,490.08 is: 42,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,008.91 : 45,578.46 = 30,490.08 : x
  2. Step 2: Convert to fraction form
    33,008.91/45,578.46 = 30,490.08/x
  3. Step 3: Cross multiply
    33,008.91x = 45,578.46 × 30,490.08
  4. Step 4: Simplify right side
    33,008.91x = 1,389,690,891.68
  5. Step 5: Solve for x
    x = 1,389,690,891.68/33,008.91
  6. Step 6: Final answer
    x = 42,100.48

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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.