Home / 36,696.14-50,641.86-20,780.25

Finding the Fourth Proportional to 36,696.14, 50,641.86 and 20,780.25

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Solution

The fourth proportional to 36,696.14, 50,641.86 and 20,780.25 is: 28,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,696.14 : 50,641.86 = 20,780.25 : x
  2. Step 2: Convert to fraction form
    36,696.14/50,641.86 = 20,780.25/x
  3. Step 3: Cross multiply
    36,696.14x = 50,641.86 × 20,780.25
  4. Step 4: Simplify right side
    36,696.14x = 1,052,350,399.28
  5. Step 5: Solve for x
    x = 1,052,350,399.28/36,696.14
  6. Step 6: Final answer
    x = 28,677.41

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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.