Home / 35,585.16-49,107.78-19,670.09

Finding the Fourth Proportional to 35,585.16, 49,107.78 and 19,670.09

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Solution

The fourth proportional to 35,585.16, 49,107.78 and 19,670.09 is: 27,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,585.16 : 49,107.78 = 19,670.09 : x
  2. Step 2: Convert to fraction form
    35,585.16/49,107.78 = 19,670.09/x
  3. Step 3: Cross multiply
    35,585.16x = 49,107.78 × 19,670.09
  4. Step 4: Simplify right side
    35,585.16x = 965,954,206.76
  5. Step 5: Solve for x
    x = 965,954,206.76/35,585.16
  6. Step 6: Final answer
    x = 27,144.86

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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.