Home / 35,974.03-49,643.17-20,865.73

Finding the Fourth Proportional to 35,974.03, 49,643.17 and 20,865.73

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Solution

The fourth proportional to 35,974.03, 49,643.17 and 20,865.73 is: 28,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,974.03 : 49,643.17 = 20,865.73 : x
  2. Step 2: Convert to fraction form
    35,974.03/49,643.17 = 20,865.73/x
  3. Step 3: Cross multiply
    35,974.03x = 49,643.17 × 20,865.73
  4. Step 4: Simplify right side
    35,974.03x = 1,035,840,981.56
  5. Step 5: Solve for x
    x = 1,035,840,981.56/35,974.03
  6. Step 6: Final answer
    x = 28,794.13

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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.