Home / 31,813.30-47,741.55-17,773.30

Finding the Fourth Proportional to 31,813.30, 47,741.55 and 17,773.30

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Solution

The fourth proportional to 31,813.30, 47,741.55 and 17,773.30 is: 26,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813.30 : 47,741.55 = 17,773.30 : x
  2. Step 2: Convert to fraction form
    31,813.30/47,741.55 = 17,773.30/x
  3. Step 3: Cross multiply
    31,813.30x = 47,741.55 × 17,773.30
  4. Step 4: Simplify right side
    31,813.30x = 848,524,890.62
  5. Step 5: Solve for x
    x = 848,524,890.62/31,813.30
  6. Step 6: Final answer
    x = 26,672.02

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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.