Home / 33,120.31-45,705.99-18,973.21

Finding the Fourth Proportional to 33,120.31, 45,705.99 and 18,973.21

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Solution

The fourth proportional to 33,120.31, 45,705.99 and 18,973.21 is: 26,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.31 : 45,705.99 = 18,973.21 : x
  2. Step 2: Convert to fraction form
    33,120.31/45,705.99 = 18,973.21/x
  3. Step 3: Cross multiply
    33,120.31x = 45,705.99 × 18,973.21
  4. Step 4: Simplify right side
    33,120.31x = 867,189,346.53
  5. Step 5: Solve for x
    x = 867,189,346.53/33,120.31
  6. Step 6: Final answer
    x = 26,183.01

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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.