Home / 41,311.56-61,970.40-11,731.80

Finding the Fourth Proportional to 41,311.56, 61,970.40 and 11,731.80

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Solution

The fourth proportional to 41,311.56, 61,970.40 and 11,731.80 is: 17,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,311.56 : 61,970.40 = 11,731.80 : x
  2. Step 2: Convert to fraction form
    41,311.56/61,970.40 = 11,731.80/x
  3. Step 3: Cross multiply
    41,311.56x = 61,970.40 × 11,731.80
  4. Step 4: Simplify right side
    41,311.56x = 727,024,338.72
  5. Step 5: Solve for x
    x = 727,024,338.72/41,311.56
  6. Step 6: Final answer
    x = 17,598.57

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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.