Home / 57,137.51-85,761.54-27,576.15

Finding the Fourth Proportional to 57,137.51, 85,761.54 and 27,576.15

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Solution

The fourth proportional to 57,137.51, 85,761.54 and 27,576.15 is: 41,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,137.51 : 85,761.54 = 27,576.15 : x
  2. Step 2: Convert to fraction form
    57,137.51/85,761.54 = 27,576.15/x
  3. Step 3: Cross multiply
    57,137.51x = 85,761.54 × 27,576.15
  4. Step 4: Simplify right side
    57,137.51x = 2,364,973,091.27
  5. Step 5: Solve for x
    x = 2,364,973,091.27/57,137.51
  6. Step 6: Final answer
    x = 41,390.91

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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.