Home / 33,133.75-45,724.58-18,229.75

Finding the Fourth Proportional to 33,133.75, 45,724.58 and 18,229.75

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Solution

The fourth proportional to 33,133.75, 45,724.58 and 18,229.75 is: 25,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.75 : 45,724.58 = 18,229.75 : x
  2. Step 2: Convert to fraction form
    33,133.75/45,724.58 = 18,229.75/x
  3. Step 3: Cross multiply
    33,133.75x = 45,724.58 × 18,229.75
  4. Step 4: Simplify right side
    33,133.75x = 833,547,662.26
  5. Step 5: Solve for x
    x = 833,547,662.26/33,133.75
  6. Step 6: Final answer
    x = 25,157.06

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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.