Home / 35,731.86-49,311.36-19,816.98

Finding the Fourth Proportional to 35,731.86, 49,311.36 and 19,816.98

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Solution

The fourth proportional to 35,731.86, 49,311.36 and 19,816.98 is: 27,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.86 : 49,311.36 = 19,816.98 : x
  2. Step 2: Convert to fraction form
    35,731.86/49,311.36 = 19,816.98/x
  3. Step 3: Cross multiply
    35,731.86x = 49,311.36 × 19,816.98
  4. Step 4: Simplify right side
    35,731.86x = 977,202,234.89
  5. Step 5: Solve for x
    x = 977,202,234.89/35,731.86
  6. Step 6: Final answer
    x = 27,348.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.