Home / 33,272.16-45,904.55-21,947.28

Finding the Fourth Proportional to 33,272.16, 45,904.55 and 21,947.28

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Solution

The fourth proportional to 33,272.16, 45,904.55 and 21,947.28 is: 30,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,272.16 : 45,904.55 = 21,947.28 : x
  2. Step 2: Convert to fraction form
    33,272.16/45,904.55 = 21,947.28/x
  3. Step 3: Cross multiply
    33,272.16x = 45,904.55 × 21,947.28
  4. Step 4: Simplify right side
    33,272.16x = 1,007,480,012.12
  5. Step 5: Solve for x
    x = 1,007,480,012.12/33,272.16
  6. Step 6: Final answer
    x = 30,279.97

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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.