Home / 47,375.98-71,040.20-15,774.91

Finding the Fourth Proportional to 47,375.98, 71,040.20 and 15,774.91

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Solution

The fourth proportional to 47,375.98, 71,040.20 and 15,774.91 is: 23,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,375.98 : 71,040.20 = 15,774.91 : x
  2. Step 2: Convert to fraction form
    47,375.98/71,040.20 = 15,774.91/x
  3. Step 3: Cross multiply
    47,375.98x = 71,040.20 × 15,774.91
  4. Step 4: Simplify right side
    47,375.98x = 1,120,652,504.91
  5. Step 5: Solve for x
    x = 1,120,652,504.91/47,375.98
  6. Step 6: Final answer
    x = 23,654.45

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1.5x scale

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.