Home / 54,500.40-81,750.60-51,274.80

Finding the Fourth Proportional to 54,500.40, 81,750.60 and 51,274.80

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Solution

The fourth proportional to 54,500.40, 81,750.60 and 51,274.80 is: 76,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,500.40 : 81,750.60 = 51,274.80 : x
  2. Step 2: Convert to fraction form
    54,500.40/81,750.60 = 51,274.80/x
  3. Step 3: Cross multiply
    54,500.40x = 81,750.60 × 51,274.80
  4. Step 4: Simplify right side
    54,500.40x = 4,191,745,664.88
  5. Step 5: Solve for x
    x = 4,191,745,664.88/54,500.40
  6. Step 6: Final answer
    x = 76,912.20

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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.