Home / 35,638.53-49,181.84-19,724.46

Finding the Fourth Proportional to 35,638.53, 49,181.84 and 19,724.46

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Solution

The fourth proportional to 35,638.53, 49,181.84 and 19,724.46 is: 27,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.53 : 49,181.84 = 19,724.46 : x
  2. Step 2: Convert to fraction form
    35,638.53/49,181.84 = 19,724.46/x
  3. Step 3: Cross multiply
    35,638.53x = 49,181.84 × 19,724.46
  4. Step 4: Simplify right side
    35,638.53x = 970,085,137.18
  5. Step 5: Solve for x
    x = 970,085,137.18/35,638.53
  6. Step 6: Final answer
    x = 27,220.12

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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.