Home / 35,611.19-49,145.99-19,695.30

Finding the Fourth Proportional to 35,611.19, 49,145.99 and 19,695.30

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Solution

The fourth proportional to 35,611.19, 49,145.99 and 19,695.30 is: 27,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,611.19 : 49,145.99 = 19,695.30 : x
  2. Step 2: Convert to fraction form
    35,611.19/49,145.99 = 19,695.30/x
  3. Step 3: Cross multiply
    35,611.19x = 49,145.99 × 19,695.30
  4. Step 4: Simplify right side
    35,611.19x = 967,945,121.31
  5. Step 5: Solve for x
    x = 967,945,121.31/35,611.19
  6. Step 6: Final answer
    x = 27,180.92

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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.