Home / 54,725.57-82,088.37-13,172.57

Finding the Fourth Proportional to 54,725.57, 82,088.37 and 13,172.57

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Solution

The fourth proportional to 54,725.57, 82,088.37 and 13,172.57 is: 19,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,725.57 : 82,088.37 = 13,172.57 : x
  2. Step 2: Convert to fraction form
    54,725.57/82,088.37 = 13,172.57/x
  3. Step 3: Cross multiply
    54,725.57x = 82,088.37 × 13,172.57
  4. Step 4: Simplify right side
    54,725.57x = 1,081,314,800.01
  5. Step 5: Solve for x
    x = 1,081,314,800.01/54,725.57
  6. Step 6: Final answer
    x = 19,758.86

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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.