Home / 55,007.10-82,494.45-21,716.10

Finding the Fourth Proportional to 55,007.10, 82,494.45 and 21,716.10

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Solution

The fourth proportional to 55,007.10, 82,494.45 and 21,716.10 is: 32,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.10 : 82,494.45 = 21,716.10 : x
  2. Step 2: Convert to fraction form
    55,007.10/82,494.45 = 21,716.10/x
  3. Step 3: Cross multiply
    55,007.10x = 82,494.45 × 21,716.10
  4. Step 4: Simplify right side
    55,007.10x = 1,791,457,725.65
  5. Step 5: Solve for x
    x = 1,791,457,725.65/55,007.10
  6. Step 6: Final answer
    x = 32,567.75

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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.