Home / 35,745.12-49,326.12-19,828.62

Finding the Fourth Proportional to 35,745.12, 49,326.12 and 19,828.62

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Solution

The fourth proportional to 35,745.12, 49,326.12 and 19,828.62 is: 27,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.12 : 49,326.12 = 19,828.62 : x
  2. Step 2: Convert to fraction form
    35,745.12/49,326.12 = 19,828.62/x
  3. Step 3: Cross multiply
    35,745.12x = 49,326.12 × 19,828.62
  4. Step 4: Simplify right side
    35,745.12x = 978,068,889.55
  5. Step 5: Solve for x
    x = 978,068,889.55/35,745.12
  6. Step 6: Final answer
    x = 27,362.31

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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.