Home / 47,997.20-71,995.80-16,835.60

Finding the Fourth Proportional to 47,997.20, 71,995.80 and 16,835.60

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Solution

The fourth proportional to 47,997.20, 71,995.80 and 16,835.60 is: 25,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,997.20 : 71,995.80 = 16,835.60 : x
  2. Step 2: Convert to fraction form
    47,997.20/71,995.80 = 16,835.60/x
  3. Step 3: Cross multiply
    47,997.20x = 71,995.80 × 16,835.60
  4. Step 4: Simplify right side
    47,997.20x = 1,212,092,490.48
  5. Step 5: Solve for x
    x = 1,212,092,490.48/47,997.20
  6. Step 6: Final answer
    x = 25,253.40

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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.