Home / 35,770.74-49,356.30-19,851.81

Finding the Fourth Proportional to 35,770.74, 49,356.30 and 19,851.81

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Solution

The fourth proportional to 35,770.74, 49,356.30 and 19,851.81 is: 27,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,770.74 : 49,356.30 = 19,851.81 : x
  2. Step 2: Convert to fraction form
    35,770.74/49,356.30 = 19,851.81/x
  3. Step 3: Cross multiply
    35,770.74x = 49,356.30 × 19,851.81
  4. Step 4: Simplify right side
    35,770.74x = 979,811,889.90
  5. Step 5: Solve for x
    x = 979,811,889.90/35,770.74
  6. Step 6: Final answer
    x = 27,391.43

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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.