Home / 39,728.34-59,536.62-31,371.57

Finding the Fourth Proportional to 39,728.34, 59,536.62 and 31,371.57

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Solution

The fourth proportional to 39,728.34, 59,536.62 and 31,371.57 is: 47,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,728.34 : 59,536.62 = 31,371.57 : x
  2. Step 2: Convert to fraction form
    39,728.34/59,536.62 = 31,371.57/x
  3. Step 3: Cross multiply
    39,728.34x = 59,536.62 × 31,371.57
  4. Step 4: Simplify right side
    39,728.34x = 1,867,757,241.89
  5. Step 5: Solve for x
    x = 1,867,757,241.89/39,728.34
  6. Step 6: Final answer
    x = 47,013.22

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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.