Home / 35,766.87-49,349.50-21,429.03

Finding the Fourth Proportional to 35,766.87, 49,349.50 and 21,429.03

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Solution

The fourth proportional to 35,766.87, 49,349.50 and 21,429.03 is: 29,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,766.87 : 49,349.50 = 21,429.03 : x
  2. Step 2: Convert to fraction form
    35,766.87/49,349.50 = 21,429.03/x
  3. Step 3: Cross multiply
    35,766.87x = 49,349.50 × 21,429.03
  4. Step 4: Simplify right side
    35,766.87x = 1,057,512,029.22
  5. Step 5: Solve for x
    x = 1,057,512,029.22/35,766.87
  6. Step 6: Final answer
    x = 29,566.81

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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.