Home / 35,623.11-49,159.68-19,707.21

Finding the Fourth Proportional to 35,623.11, 49,159.68 and 19,707.21

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Solution

The fourth proportional to 35,623.11, 49,159.68 and 19,707.21 is: 27,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.11 : 49,159.68 = 19,707.21 : x
  2. Step 2: Convert to fraction form
    35,623.11/49,159.68 = 19,707.21/x
  3. Step 3: Cross multiply
    35,623.11x = 49,159.68 × 19,707.21
  4. Step 4: Simplify right side
    35,623.11x = 968,800,137.29
  5. Step 5: Solve for x
    x = 968,800,137.29/35,623.11
  6. Step 6: Final answer
    x = 27,195.83

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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.