Home / 35,992.11-49,669.20-20,077.61

Finding the Fourth Proportional to 35,992.11, 49,669.20 and 20,077.61

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Solution

The fourth proportional to 35,992.11, 49,669.20 and 20,077.61 is: 27,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,992.11 : 49,669.20 = 20,077.61 : x
  2. Step 2: Convert to fraction form
    35,992.11/49,669.20 = 20,077.61/x
  3. Step 3: Cross multiply
    35,992.11x = 49,669.20 × 20,077.61
  4. Step 4: Simplify right side
    35,992.11x = 997,238,578.27
  5. Step 5: Solve for x
    x = 997,238,578.27/35,992.11
  6. Step 6: Final answer
    x = 27,707.14

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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.