Home / 33,108.75-45,690.08-18,204.75

Finding the Fourth Proportional to 33,108.75, 45,690.08 and 18,204.75

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Solution

The fourth proportional to 33,108.75, 45,690.08 and 18,204.75 is: 25,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,108.75 : 45,690.08 = 18,204.75 : x
  2. Step 2: Convert to fraction form
    33,108.75/45,690.08 = 18,204.75/x
  3. Step 3: Cross multiply
    33,108.75x = 45,690.08 × 18,204.75
  4. Step 4: Simplify right side
    33,108.75x = 831,776,392.86
  5. Step 5: Solve for x
    x = 831,776,392.86/33,108.75
  6. Step 6: Final answer
    x = 25,122.56

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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.