Home / 33,132.96-45,724.32-18,987.84

Finding the Fourth Proportional to 33,132.96, 45,724.32 and 18,987.84

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Solution

The fourth proportional to 33,132.96, 45,724.32 and 18,987.84 is: 26,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.96 : 45,724.32 = 18,987.84 : x
  2. Step 2: Convert to fraction form
    33,132.96/45,724.32 = 18,987.84/x
  3. Step 3: Cross multiply
    33,132.96x = 45,724.32 × 18,987.84
  4. Step 4: Simplify right side
    33,132.96x = 868,206,072.27
  5. Step 5: Solve for x
    x = 868,206,072.27/33,132.96
  6. Step 6: Final answer
    x = 26,203.70

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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.