Home / 57,537.14-86,326.42-20,102.72

Finding the Fourth Proportional to 57,537.14, 86,326.42 and 20,102.72

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Solution

The fourth proportional to 57,537.14, 86,326.42 and 20,102.72 is: 30,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537.14 : 86,326.42 = 20,102.72 : x
  2. Step 2: Convert to fraction form
    57,537.14/86,326.42 = 20,102.72/x
  3. Step 3: Cross multiply
    57,537.14x = 86,326.42 × 20,102.72
  4. Step 4: Simplify right side
    57,537.14x = 1,735,395,849.86
  5. Step 5: Solve for x
    x = 1,735,395,849.86/57,537.14
  6. Step 6: Final answer
    x = 30,161.32

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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.