Home / 35,585.10-49,107.42-19,669.56

Finding the Fourth Proportional to 35,585.10, 49,107.42 and 19,669.56

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Solution

The fourth proportional to 35,585.10, 49,107.42 and 19,669.56 is: 27,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,585.10 : 49,107.42 = 19,669.56 : x
  2. Step 2: Convert to fraction form
    35,585.10/49,107.42 = 19,669.56/x
  3. Step 3: Cross multiply
    35,585.10x = 49,107.42 × 19,669.56
  4. Step 4: Simplify right side
    35,585.10x = 965,921,344.14
  5. Step 5: Solve for x
    x = 965,921,344.14/35,585.10
  6. Step 6: Final answer
    x = 27,143.98

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1.5x scale

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.