Home / 36,536.13-50,419.89-20,620.23

Finding the Fourth Proportional to 36,536.13, 50,419.89 and 20,620.23

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Solution

The fourth proportional to 36,536.13, 50,419.89 and 20,620.23 is: 28,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,536.13 : 50,419.89 = 20,620.23 : x
  2. Step 2: Convert to fraction form
    36,536.13/50,419.89 = 20,620.23/x
  3. Step 3: Cross multiply
    36,536.13x = 50,419.89 × 20,620.23
  4. Step 4: Simplify right side
    36,536.13x = 1,039,669,728.37
  5. Step 5: Solve for x
    x = 1,039,669,728.37/36,536.13
  6. Step 6: Final answer
    x = 28,455.93

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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.