Home / 35,010.20-52,493.70-20,211.80

Finding the Fourth Proportional to 35,010.20, 52,493.70 and 20,211.80

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Solution

The fourth proportional to 35,010.20, 52,493.70 and 20,211.80 is: 30,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,010.20 : 52,493.70 = 20,211.80 : x
  2. Step 2: Convert to fraction form
    35,010.20/52,493.70 = 20,211.80/x
  3. Step 3: Cross multiply
    35,010.20x = 52,493.70 × 20,211.80
  4. Step 4: Simplify right side
    35,010.20x = 1,060,992,165.66
  5. Step 5: Solve for x
    x = 1,060,992,165.66/35,010.20
  6. Step 6: Final answer
    x = 30,305.23

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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.