Home / 33,150.64-45,733.40-21,805.56

Finding the Fourth Proportional to 33,150.64, 45,733.40 and 21,805.56

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Solution

The fourth proportional to 33,150.64, 45,733.40 and 21,805.56 is: 30,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,150.64 : 45,733.40 = 21,805.56 : x
  2. Step 2: Convert to fraction form
    33,150.64/45,733.40 = 21,805.56/x
  3. Step 3: Cross multiply
    33,150.64x = 45,733.40 × 21,805.56
  4. Step 4: Simplify right side
    33,150.64x = 997,242,397.70
  5. Step 5: Solve for x
    x = 997,242,397.70/33,150.64
  6. Step 6: Final answer
    x = 30,082.15

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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.