Home / 54,761.29-82,150.04-17,312.86

Finding the Fourth Proportional to 54,761.29, 82,150.04 and 17,312.86

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Solution

The fourth proportional to 54,761.29, 82,150.04 and 17,312.86 is: 25,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,761.29 : 82,150.04 = 17,312.86 : x
  2. Step 2: Convert to fraction form
    54,761.29/82,150.04 = 17,312.86/x
  3. Step 3: Cross multiply
    54,761.29x = 82,150.04 × 17,312.86
  4. Step 4: Simplify right side
    54,761.29x = 1,422,252,141.51
  5. Step 5: Solve for x
    x = 1,422,252,141.51/54,761.29
  6. Step 6: Final answer
    x = 25,971.85

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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.