Home / 35,640.06-49,181.22-19,723.74

Finding the Fourth Proportional to 35,640.06, 49,181.22 and 19,723.74

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Solution

The fourth proportional to 35,640.06, 49,181.22 and 19,723.74 is: 27,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.06 : 49,181.22 = 19,723.74 : x
  2. Step 2: Convert to fraction form
    35,640.06/49,181.22 = 19,723.74/x
  3. Step 3: Cross multiply
    35,640.06x = 49,181.22 × 19,723.74
  4. Step 4: Simplify right side
    35,640.06x = 970,037,596.16
  5. Step 5: Solve for x
    x = 970,037,596.16/35,640.06
  6. Step 6: Final answer
    x = 27,217.62

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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.