Home / 33,236.65-45,867.13-18,129.31

Finding the Fourth Proportional to 33,236.65, 45,867.13 and 18,129.31

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Solution

The fourth proportional to 33,236.65, 45,867.13 and 18,129.31 is: 25,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.65 : 45,867.13 = 18,129.31 : x
  2. Step 2: Convert to fraction form
    33,236.65/45,867.13 = 18,129.31/x
  3. Step 3: Cross multiply
    33,236.65x = 45,867.13 × 18,129.31
  4. Step 4: Simplify right side
    33,236.65x = 831,539,258.59
  5. Step 5: Solve for x
    x = 831,539,258.59/33,236.65
  6. Step 6: Final answer
    x = 25,018.74

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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.