Home / 31,438.35-47,181.24-16,650.60

Finding the Fourth Proportional to 31,438.35, 47,181.24 and 16,650.60

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Solution

The fourth proportional to 31,438.35, 47,181.24 and 16,650.60 is: 24,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.35 : 47,181.24 = 16,650.60 : x
  2. Step 2: Convert to fraction form
    31,438.35/47,181.24 = 16,650.60/x
  3. Step 3: Cross multiply
    31,438.35x = 47,181.24 × 16,650.60
  4. Step 4: Simplify right side
    31,438.35x = 785,595,954.74
  5. Step 5: Solve for x
    x = 785,595,954.74/31,438.35
  6. Step 6: Final answer
    x = 24,988.46

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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.