Home / 56,869.43-85,321.91-16,888.64

Finding the Fourth Proportional to 56,869.43, 85,321.91 and 16,888.64

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Solution

The fourth proportional to 56,869.43, 85,321.91 and 16,888.64 is: 25,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,869.43 : 85,321.91 = 16,888.64 : x
  2. Step 2: Convert to fraction form
    56,869.43/85,321.91 = 16,888.64/x
  3. Step 3: Cross multiply
    56,869.43x = 85,321.91 × 16,888.64
  4. Step 4: Simplify right side
    56,869.43x = 1,440,970,542.72
  5. Step 5: Solve for x
    x = 1,440,970,542.72/56,869.43
  6. Step 6: Final answer
    x = 25,338.23

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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.