Home / 36,090.37-54,121.22-13,891.45

Finding the Fourth Proportional to 36,090.37, 54,121.22 and 13,891.45

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Solution

The fourth proportional to 36,090.37, 54,121.22 and 13,891.45 is: 20,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.37 : 54,121.22 = 13,891.45 : x
  2. Step 2: Convert to fraction form
    36,090.37/54,121.22 = 13,891.45/x
  3. Step 3: Cross multiply
    36,090.37x = 54,121.22 × 13,891.45
  4. Step 4: Simplify right side
    36,090.37x = 751,822,152.11
  5. Step 5: Solve for x
    x = 751,822,152.11/36,090.37
  6. Step 6: Final answer
    x = 20,831.66

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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.