Home / 33,039.28-49,568.64-13,307.68

Finding the Fourth Proportional to 33,039.28, 49,568.64 and 13,307.68

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Solution

The fourth proportional to 33,039.28, 49,568.64 and 13,307.68 is: 19,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,039.28 : 49,568.64 = 13,307.68 : x
  2. Step 2: Convert to fraction form
    33,039.28/49,568.64 = 13,307.68/x
  3. Step 3: Cross multiply
    33,039.28x = 49,568.64 × 13,307.68
  4. Step 4: Simplify right side
    33,039.28x = 659,643,599.16
  5. Step 5: Solve for x
    x = 659,643,599.16/33,039.28
  6. Step 6: Final answer
    x = 19,965.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.