Home / 51,270.20-76,905.30-35,523.80

Finding the Fourth Proportional to 51,270.20, 76,905.30 and 35,523.80

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Solution

The fourth proportional to 51,270.20, 76,905.30 and 35,523.80 is: 53,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270.20 : 76,905.30 = 35,523.80 : x
  2. Step 2: Convert to fraction form
    51,270.20/76,905.30 = 35,523.80/x
  3. Step 3: Cross multiply
    51,270.20x = 76,905.30 × 35,523.80
  4. Step 4: Simplify right side
    51,270.20x = 2,731,968,496.14
  5. Step 5: Solve for x
    x = 2,731,968,496.14/51,270.20
  6. Step 6: Final answer
    x = 53,285.70

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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.