Home / 35,684.84-49,245.42-19,770.77

Finding the Fourth Proportional to 35,684.84, 49,245.42 and 19,770.77

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Solution

The fourth proportional to 35,684.84, 49,245.42 and 19,770.77 is: 27,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684.84 : 49,245.42 = 19,770.77 : x
  2. Step 2: Convert to fraction form
    35,684.84/49,245.42 = 19,770.77/x
  3. Step 3: Cross multiply
    35,684.84x = 49,245.42 × 19,770.77
  4. Step 4: Simplify right side
    35,684.84x = 973,619,626.15
  5. Step 5: Solve for x
    x = 973,619,626.15/35,684.84
  6. Step 6: Final answer
    x = 27,283.85

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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.