Home / 33,068.28-45,639.78-31,974.78

Finding the Fourth Proportional to 33,068.28, 45,639.78 and 31,974.78

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Solution

The fourth proportional to 33,068.28, 45,639.78 and 31,974.78 is: 44,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,068.28 : 45,639.78 = 31,974.78 : x
  2. Step 2: Convert to fraction form
    33,068.28/45,639.78 = 31,974.78/x
  3. Step 3: Cross multiply
    33,068.28x = 45,639.78 × 31,974.78
  4. Step 4: Simplify right side
    33,068.28x = 1,459,321,924.75
  5. Step 5: Solve for x
    x = 1,459,321,924.75/33,068.28
  6. Step 6: Final answer
    x = 44,130.57

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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.