Home / 56,321.68-84,457.62-16,871.44

Finding the Fourth Proportional to 56,321.68, 84,457.62 and 16,871.44

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Solution

The fourth proportional to 56,321.68, 84,457.62 and 16,871.44 is: 25,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,321.68 : 84,457.62 = 16,871.44 : x
  2. Step 2: Convert to fraction form
    56,321.68/84,457.62 = 16,871.44/x
  3. Step 3: Cross multiply
    56,321.68x = 84,457.62 × 16,871.44
  4. Step 4: Simplify right side
    56,321.68x = 1,424,921,668.37
  5. Step 5: Solve for x
    x = 1,424,921,668.37/56,321.68
  6. Step 6: Final answer
    x = 25,299.70

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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.