Home / 51,523.20-77,284.80-45,982.80

Finding the Fourth Proportional to 51,523.20, 77,284.80 and 45,982.80

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Solution

The fourth proportional to 51,523.20, 77,284.80 and 45,982.80 is: 68,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,523.20 : 77,284.80 = 45,982.80 : x
  2. Step 2: Convert to fraction form
    51,523.20/77,284.80 = 45,982.80/x
  3. Step 3: Cross multiply
    51,523.20x = 77,284.80 × 45,982.80
  4. Step 4: Simplify right side
    51,523.20x = 3,553,771,501.44
  5. Step 5: Solve for x
    x = 3,553,771,501.44/51,523.20
  6. Step 6: Final answer
    x = 68,974.20

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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.