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Finding the Fourth Proportional to 35,745.88, 49,335.23 and 19,835.45

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Solution

The fourth proportional to 35,745.88, 49,335.23 and 19,835.45 is: 27,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.88 : 49,335.23 = 19,835.45 : x
  2. Step 2: Convert to fraction form
    35,745.88/49,335.23 = 19,835.45/x
  3. Step 3: Cross multiply
    35,745.88x = 49,335.23 × 19,835.45
  4. Step 4: Simplify right side
    35,745.88x = 978,586,512.06
  5. Step 5: Solve for x
    x = 978,586,512.06/35,745.88
  6. Step 6: Final answer
    x = 27,376.21

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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.