Home / 51,213.80-76,820.70-33,499.10

Finding the Fourth Proportional to 51,213.80, 76,820.70 and 33,499.10

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Solution

The fourth proportional to 51,213.80, 76,820.70 and 33,499.10 is: 50,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.80 : 76,820.70 = 33,499.10 : x
  2. Step 2: Convert to fraction form
    51,213.80/76,820.70 = 33,499.10/x
  3. Step 3: Cross multiply
    51,213.80x = 76,820.70 × 33,499.10
  4. Step 4: Simplify right side
    51,213.80x = 2,573,424,311.37
  5. Step 5: Solve for x
    x = 2,573,424,311.37/51,213.80
  6. Step 6: Final answer
    x = 50,248.65

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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.