Home / 33,228.83-45,856.90-18,122.32

Finding the Fourth Proportional to 33,228.83, 45,856.90 and 18,122.32

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Solution

The fourth proportional to 33,228.83, 45,856.90 and 18,122.32 is: 25,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.83 : 45,856.90 = 18,122.32 : x
  2. Step 2: Convert to fraction form
    33,228.83/45,856.90 = 18,122.32/x
  3. Step 3: Cross multiply
    33,228.83x = 45,856.90 × 18,122.32
  4. Step 4: Simplify right side
    33,228.83x = 831,033,416.01
  5. Step 5: Solve for x
    x = 831,033,416.01/33,228.83
  6. Step 6: Final answer
    x = 25,009.41

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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.