Home / 45,997.20-68,989.40-14,835.60

Finding the Fourth Proportional to 45,997.20, 68,989.40 and 14,835.60

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Solution

The fourth proportional to 45,997.20, 68,989.40 and 14,835.60 is: 22,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,997.20 : 68,989.40 = 14,835.60 : x
  2. Step 2: Convert to fraction form
    45,997.20/68,989.40 = 14,835.60/x
  3. Step 3: Cross multiply
    45,997.20x = 68,989.40 × 14,835.60
  4. Step 4: Simplify right side
    45,997.20x = 1,023,499,142.64
  5. Step 5: Solve for x
    x = 1,023,499,142.64/45,997.20
  6. Step 6: Final answer
    x = 22,251.34

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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.