Home / 54,812.40-82,218.60-51,586.80

Finding the Fourth Proportional to 54,812.40, 82,218.60 and 51,586.80

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Solution

The fourth proportional to 54,812.40, 82,218.60 and 51,586.80 is: 77,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,812.40 : 82,218.60 = 51,586.80 : x
  2. Step 2: Convert to fraction form
    54,812.40/82,218.60 = 51,586.80/x
  3. Step 3: Cross multiply
    54,812.40x = 82,218.60 × 51,586.80
  4. Step 4: Simplify right side
    54,812.40x = 4,241,394,474.48
  5. Step 5: Solve for x
    x = 4,241,394,474.48/54,812.40
  6. Step 6: Final answer
    x = 77,380.20

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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.