Home / 54,508.40-81,762.60-51,282.80

Finding the Fourth Proportional to 54,508.40, 81,762.60 and 51,282.80

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Solution

The fourth proportional to 54,508.40, 81,762.60 and 51,282.80 is: 76,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,508.40 : 81,762.60 = 51,282.80 : x
  2. Step 2: Convert to fraction form
    54,508.40/81,762.60 = 51,282.80/x
  3. Step 3: Cross multiply
    54,508.40x = 81,762.60 × 51,282.80
  4. Step 4: Simplify right side
    54,508.40x = 4,193,015,063.28
  5. Step 5: Solve for x
    x = 4,193,015,063.28/54,508.40
  6. Step 6: Final answer
    x = 76,924.20

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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.