Home / 47,385.98-71,076.72-11,847.53

Finding the Fourth Proportional to 47,385.98, 71,076.72 and 11,847.53

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Solution

The fourth proportional to 47,385.98, 71,076.72 and 11,847.53 is: 17,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.98 : 71,076.72 = 11,847.53 : x
  2. Step 2: Convert to fraction form
    47,385.98/71,076.72 = 11,847.53/x
  3. Step 3: Cross multiply
    47,385.98x = 71,076.72 × 11,847.53
  4. Step 4: Simplify right side
    47,385.98x = 842,083,794.62
  5. Step 5: Solve for x
    x = 842,083,794.62/47,385.98
  6. Step 6: Final answer
    x = 17,770.74

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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.