Home / 33,275.16-45,908.68-21,950.28

Finding the Fourth Proportional to 33,275.16, 45,908.68 and 21,950.28

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Solution

The fourth proportional to 33,275.16, 45,908.68 and 21,950.28 is: 30,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,275.16 : 45,908.68 = 21,950.28 : x
  2. Step 2: Convert to fraction form
    33,275.16/45,908.68 = 21,950.28/x
  3. Step 3: Cross multiply
    33,275.16x = 45,908.68 × 21,950.28
  4. Step 4: Simplify right side
    33,275.16x = 1,007,708,380.43
  5. Step 5: Solve for x
    x = 1,007,708,380.43/33,275.16
  6. Step 6: Final answer
    x = 30,284.10

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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.