Home / 39,958.57-55,134.03-22,961.53

Finding the Fourth Proportional to 39,958.57, 55,134.03 and 22,961.53

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Solution

The fourth proportional to 39,958.57, 55,134.03 and 22,961.53 is: 31,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.57 : 55,134.03 = 22,961.53 : x
  2. Step 2: Convert to fraction form
    39,958.57/55,134.03 = 22,961.53/x
  3. Step 3: Cross multiply
    39,958.57x = 55,134.03 × 22,961.53
  4. Step 4: Simplify right side
    39,958.57x = 1,265,961,683.87
  5. Step 5: Solve for x
    x = 1,265,961,683.87/39,958.57
  6. Step 6: Final answer
    x = 31,681.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.