Home / 35,637.76-49,175.04-19,722

Finding the Fourth Proportional to 35,637.76, 49,175.04 and 19,722

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Solution

The fourth proportional to 35,637.76, 49,175.04 and 19,722 is: 27,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,637.76 : 49,175.04 = 19,722 : x
  2. Step 2: Convert to fraction form
    35,637.76/49,175.04 = 19,722/x
  3. Step 3: Cross multiply
    35,637.76x = 49,175.04 × 19,722
  4. Step 4: Simplify right side
    35,637.76x = 969,830,138.88
  5. Step 5: Solve for x
    x = 969,830,138.88/35,637.76
  6. Step 6: Final answer
    x = 27,213.55

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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.