Home / 39,578.28-59,396.46-31,880.04

Finding the Fourth Proportional to 39,578.28, 59,396.46 and 31,880.04

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Solution

The fourth proportional to 39,578.28, 59,396.46 and 31,880.04 is: 47,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,578.28 : 59,396.46 = 31,880.04 : x
  2. Step 2: Convert to fraction form
    39,578.28/59,396.46 = 31,880.04/x
  3. Step 3: Cross multiply
    39,578.28x = 59,396.46 × 31,880.04
  4. Step 4: Simplify right side
    39,578.28x = 1,893,561,520.66
  5. Step 5: Solve for x
    x = 1,893,561,520.66/39,578.28
  6. Step 6: Final answer
    x = 47,843.45

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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.