Home / 35,981.75-49,656.78-20,066.13

Finding the Fourth Proportional to 35,981.75, 49,656.78 and 20,066.13

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Solution

The fourth proportional to 35,981.75, 49,656.78 and 20,066.13 is: 27,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.75 : 49,656.78 = 20,066.13 : x
  2. Step 2: Convert to fraction form
    35,981.75/49,656.78 = 20,066.13/x
  3. Step 3: Cross multiply
    35,981.75x = 49,656.78 × 20,066.13
  4. Step 4: Simplify right side
    35,981.75x = 996,419,402.86
  5. Step 5: Solve for x
    x = 996,419,402.86/35,981.75
  6. Step 6: Final answer
    x = 27,692.35

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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.