Home / 54,750.73-82,140.69-17,311.51

Finding the Fourth Proportional to 54,750.73, 82,140.69 and 17,311.51

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Solution

The fourth proportional to 54,750.73, 82,140.69 and 17,311.51 is: 25,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.73 : 82,140.69 = 17,311.51 : x
  2. Step 2: Convert to fraction form
    54,750.73/82,140.69 = 17,311.51/x
  3. Step 3: Cross multiply
    54,750.73x = 82,140.69 × 17,311.51
  4. Step 4: Simplify right side
    54,750.73x = 1,421,979,376.34
  5. Step 5: Solve for x
    x = 1,421,979,376.34/54,750.73
  6. Step 6: Final answer
    x = 25,971.88

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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.