Home / 35,631.90-49,171.32-19,717.02

Finding the Fourth Proportional to 35,631.90, 49,171.32 and 19,717.02

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Solution

The fourth proportional to 35,631.90, 49,171.32 and 19,717.02 is: 27,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.90 : 49,171.32 = 19,717.02 : x
  2. Step 2: Convert to fraction form
    35,631.90/49,171.32 = 19,717.02/x
  3. Step 3: Cross multiply
    35,631.90x = 49,171.32 × 19,717.02
  4. Step 4: Simplify right side
    35,631.90x = 969,511,899.87
  5. Step 5: Solve for x
    x = 969,511,899.87/35,631.90
  6. Step 6: Final answer
    x = 27,209.10

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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.