Home / 56,217.11-84,335.99-18,773.64

Finding the Fourth Proportional to 56,217.11, 84,335.99 and 18,773.64

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Solution

The fourth proportional to 56,217.11, 84,335.99 and 18,773.64 is: 28,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,217.11 : 84,335.99 = 18,773.64 : x
  2. Step 2: Convert to fraction form
    56,217.11/84,335.99 = 18,773.64/x
  3. Step 3: Cross multiply
    56,217.11x = 84,335.99 × 18,773.64
  4. Step 4: Simplify right side
    56,217.11x = 1,583,293,421.44
  5. Step 5: Solve for x
    x = 1,583,293,421.44/56,217.11
  6. Step 6: Final answer
    x = 28,163.91

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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.