Home / 55,286.53-82,880.69-21,544.74

Finding the Fourth Proportional to 55,286.53, 82,880.69 and 21,544.74

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Solution

The fourth proportional to 55,286.53, 82,880.69 and 21,544.74 is: 32,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,286.53 : 82,880.69 = 21,544.74 : x
  2. Step 2: Convert to fraction form
    55,286.53/82,880.69 = 21,544.74/x
  3. Step 3: Cross multiply
    55,286.53x = 82,880.69 × 21,544.74
  4. Step 4: Simplify right side
    55,286.53x = 1,785,642,809.35
  5. Step 5: Solve for x
    x = 1,785,642,809.35/55,286.53
  6. Step 6: Final answer
    x = 32,297.97

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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.