Home / 36,297.47-50,087.09-20,378.81

Finding the Fourth Proportional to 36,297.47, 50,087.09 and 20,378.81

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Solution

The fourth proportional to 36,297.47, 50,087.09 and 20,378.81 is: 28,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,297.47 : 50,087.09 = 20,378.81 : x
  2. Step 2: Convert to fraction form
    36,297.47/50,087.09 = 20,378.81/x
  3. Step 3: Cross multiply
    36,297.47x = 50,087.09 × 20,378.81
  4. Step 4: Simplify right side
    36,297.47x = 1,020,715,188.67
  5. Step 5: Solve for x
    x = 1,020,715,188.67/36,297.47
  6. Step 6: Final answer
    x = 28,120.84

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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.