Home / 33,685.75-50,543.21-18,085.15

Finding the Fourth Proportional to 33,685.75, 50,543.21 and 18,085.15

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Solution

The fourth proportional to 33,685.75, 50,543.21 and 18,085.15 is: 27,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,685.75 : 50,543.21 = 18,085.15 : x
  2. Step 2: Convert to fraction form
    33,685.75/50,543.21 = 18,085.15/x
  3. Step 3: Cross multiply
    33,685.75x = 50,543.21 × 18,085.15
  4. Step 4: Simplify right side
    33,685.75x = 914,081,317.55
  5. Step 5: Solve for x
    x = 914,081,317.55/33,685.75
  6. Step 6: Final answer
    x = 27,135.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.