Home / 33,228.73-45,856.75-18,122.21

Finding the Fourth Proportional to 33,228.73, 45,856.75 and 18,122.21

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Solution

The fourth proportional to 33,228.73, 45,856.75 and 18,122.21 is: 25,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.73 : 45,856.75 = 18,122.21 : x
  2. Step 2: Convert to fraction form
    33,228.73/45,856.75 = 18,122.21/x
  3. Step 3: Cross multiply
    33,228.73x = 45,856.75 × 18,122.21
  4. Step 4: Simplify right side
    33,228.73x = 831,025,653.42
  5. Step 5: Solve for x
    x = 831,025,653.42/33,228.73
  6. Step 6: Final answer
    x = 25,009.25

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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.