Home / 45,789.94-68,629.44-19,439.34

Finding the Fourth Proportional to 45,789.94, 68,629.44 and 19,439.34

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Solution

The fourth proportional to 45,789.94, 68,629.44 and 19,439.34 is: 29,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,789.94 : 68,629.44 = 19,439.34 : x
  2. Step 2: Convert to fraction form
    45,789.94/68,629.44 = 19,439.34/x
  3. Step 3: Cross multiply
    45,789.94x = 68,629.44 × 19,439.34
  4. Step 4: Simplify right side
    45,789.94x = 1,334,111,018.17
  5. Step 5: Solve for x
    x = 1,334,111,018.17/45,789.94
  6. Step 6: Final answer
    x = 29,135.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.