Home / 31,513.58-47,241.76-15,723.44

Finding the Fourth Proportional to 31,513.58, 47,241.76 and 15,723.44

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Solution

The fourth proportional to 31,513.58, 47,241.76 and 15,723.44 is: 23,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.58 : 47,241.76 = 15,723.44 : x
  2. Step 2: Convert to fraction form
    31,513.58/47,241.76 = 15,723.44/x
  3. Step 3: Cross multiply
    31,513.58x = 47,241.76 × 15,723.44
  4. Step 4: Simplify right side
    31,513.58x = 742,802,978.85
  5. Step 5: Solve for x
    x = 742,802,978.85/31,513.58
  6. Step 6: Final answer
    x = 23,570.89

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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.