Home / 41,265.36-61,890.72-18,770.80

Finding the Fourth Proportional to 41,265.36, 61,890.72 and 18,770.80

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Solution

The fourth proportional to 41,265.36, 61,890.72 and 18,770.80 is: 28,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,265.36 : 61,890.72 = 18,770.80 : x
  2. Step 2: Convert to fraction form
    41,265.36/61,890.72 = 18,770.80/x
  3. Step 3: Cross multiply
    41,265.36x = 61,890.72 × 18,770.80
  4. Step 4: Simplify right side
    41,265.36x = 1,161,738,326.98
  5. Step 5: Solve for x
    x = 1,161,738,326.98/41,265.36
  6. Step 6: Final answer
    x = 28,152.87

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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.