Home / 33,122.56-45,711.36-18,219.52

Finding the Fourth Proportional to 33,122.56, 45,711.36 and 18,219.52

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Solution

The fourth proportional to 33,122.56, 45,711.36 and 18,219.52 is: 25,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,122.56 : 45,711.36 = 18,219.52 : x
  2. Step 2: Convert to fraction form
    33,122.56/45,711.36 = 18,219.52/x
  3. Step 3: Cross multiply
    33,122.56x = 45,711.36 × 18,219.52
  4. Step 4: Simplify right side
    33,122.56x = 832,839,037.75
  5. Step 5: Solve for x
    x = 832,839,037.75/33,122.56
  6. Step 6: Final answer
    x = 25,144.16

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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.