Home / 39,881.85-59,833.71-31,589.48

Finding the Fourth Proportional to 39,881.85, 59,833.71 and 31,589.48

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Solution

The fourth proportional to 39,881.85, 59,833.71 and 31,589.48 is: 47,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881.85 : 59,833.71 = 31,589.48 : x
  2. Step 2: Convert to fraction form
    39,881.85/59,833.71 = 31,589.48/x
  3. Step 3: Cross multiply
    39,881.85x = 59,833.71 × 31,589.48
  4. Step 4: Simplify right side
    39,881.85x = 1,890,115,486.20
  5. Step 5: Solve for x
    x = 1,890,115,486.20/39,881.85
  6. Step 6: Final answer
    x = 47,392.87

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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.