Home / 39,881.26-59,827.94-13,579.85

Finding the Fourth Proportional to 39,881.26, 59,827.94 and 13,579.85

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Solution

The fourth proportional to 39,881.26, 59,827.94 and 13,579.85 is: 20,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881.26 : 59,827.94 = 13,579.85 : x
  2. Step 2: Convert to fraction form
    39,881.26/59,827.94 = 13,579.85/x
  3. Step 3: Cross multiply
    39,881.26x = 59,827.94 × 13,579.85
  4. Step 4: Simplify right side
    39,881.26x = 812,454,621.80
  5. Step 5: Solve for x
    x = 812,454,621.80/39,881.26
  6. Step 6: Final answer
    x = 20,371.84

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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.