Home / 35,605.84-49,131.66-19,690.60

Finding the Fourth Proportional to 35,605.84, 49,131.66 and 19,690.60

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Solution

The fourth proportional to 35,605.84, 49,131.66 and 19,690.60 is: 27,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.84 : 49,131.66 = 19,690.60 : x
  2. Step 2: Convert to fraction form
    35,605.84/49,131.66 = 19,690.60/x
  3. Step 3: Cross multiply
    35,605.84x = 49,131.66 × 19,690.60
  4. Step 4: Simplify right side
    35,605.84x = 967,431,864.40
  5. Step 5: Solve for x
    x = 967,431,864.40/35,605.84
  6. Step 6: Final answer
    x = 27,170.60

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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.