Home / 35,605.84-49,136.38-19,690.55

Finding the Fourth Proportional to 35,605.84, 49,136.38 and 19,690.55

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Solution

The fourth proportional to 35,605.84, 49,136.38 and 19,690.55 is: 27,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.84 : 49,136.38 = 19,690.55 : x
  2. Step 2: Convert to fraction form
    35,605.84/49,136.38 = 19,690.55/x
  3. Step 3: Cross multiply
    35,605.84x = 49,136.38 × 19,690.55
  4. Step 4: Simplify right side
    35,605.84x = 967,522,420.82
  5. Step 5: Solve for x
    x = 967,522,420.82/35,605.84
  6. Step 6: Final answer
    x = 27,173.14

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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.