Home / 35,605.32-49,135.67-19,690.85

Finding the Fourth Proportional to 35,605.32, 49,135.67 and 19,690.85

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Solution

The fourth proportional to 35,605.32, 49,135.67 and 19,690.85 is: 27,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.32 : 49,135.67 = 19,690.85 : x
  2. Step 2: Convert to fraction form
    35,605.32/49,135.67 = 19,690.85/x
  3. Step 3: Cross multiply
    35,605.32x = 49,135.67 × 19,690.85
  4. Step 4: Simplify right side
    35,605.32x = 967,523,107.62
  5. Step 5: Solve for x
    x = 967,523,107.62/35,605.32
  6. Step 6: Final answer
    x = 27,173.55

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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.