Home / 35,631.50-49,172.22-19,717.02

Finding the Fourth Proportional to 35,631.50, 49,172.22 and 19,717.02

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Solution

The fourth proportional to 35,631.50, 49,172.22 and 19,717.02 is: 27,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.50 : 49,172.22 = 19,717.02 : x
  2. Step 2: Convert to fraction form
    35,631.50/49,172.22 = 19,717.02/x
  3. Step 3: Cross multiply
    35,631.50x = 49,172.22 × 19,717.02
  4. Step 4: Simplify right side
    35,631.50x = 969,529,645.18
  5. Step 5: Solve for x
    x = 969,529,645.18/35,631.50
  6. Step 6: Final answer
    x = 27,209.91

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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.