Home / 35,686.72-49,245.81-19,770.85

Finding the Fourth Proportional to 35,686.72, 49,245.81 and 19,770.85

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Solution

The fourth proportional to 35,686.72, 49,245.81 and 19,770.85 is: 27,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.72 : 49,245.81 = 19,770.85 : x
  2. Step 2: Convert to fraction form
    35,686.72/49,245.81 = 19,770.85/x
  3. Step 3: Cross multiply
    35,686.72x = 49,245.81 × 19,770.85
  4. Step 4: Simplify right side
    35,686.72x = 973,631,522.64
  5. Step 5: Solve for x
    x = 973,631,522.64/35,686.72
  6. Step 6: Final answer
    x = 27,282.74

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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.