Home / 55,228.20-82,907.10-54,839.40

Finding the Fourth Proportional to 55,228.20, 82,907.10 and 54,839.40

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Solution

The fourth proportional to 55,228.20, 82,907.10 and 54,839.40 is: 82,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.20 : 82,907.10 = 54,839.40 : x
  2. Step 2: Convert to fraction form
    55,228.20/82,907.10 = 54,839.40/x
  3. Step 3: Cross multiply
    55,228.20x = 82,907.10 × 54,839.40
  4. Step 4: Simplify right side
    55,228.20x = 4,546,575,619.74
  5. Step 5: Solve for x
    x = 4,546,575,619.74/55,228.20
  6. Step 6: Final answer
    x = 82,323.44

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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.