Home / 33,223.75-45,848.78-18,319.75

Finding the Fourth Proportional to 33,223.75, 45,848.78 and 18,319.75

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Solution

The fourth proportional to 33,223.75, 45,848.78 and 18,319.75 is: 25,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,223.75 : 45,848.78 = 18,319.75 : x
  2. Step 2: Convert to fraction form
    33,223.75/45,848.78 = 18,319.75/x
  3. Step 3: Cross multiply
    33,223.75x = 45,848.78 × 18,319.75
  4. Step 4: Simplify right side
    33,223.75x = 839,938,187.41
  5. Step 5: Solve for x
    x = 839,938,187.41/33,223.75
  6. Step 6: Final answer
    x = 25,281.26

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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.