Home / 33,900.12-50,776.20-20,712.51

Finding the Fourth Proportional to 33,900.12, 50,776.20 and 20,712.51

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Solution

The fourth proportional to 33,900.12, 50,776.20 and 20,712.51 is: 31,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,900.12 : 50,776.20 = 20,712.51 : x
  2. Step 2: Convert to fraction form
    33,900.12/50,776.20 = 20,712.51/x
  3. Step 3: Cross multiply
    33,900.12x = 50,776.20 × 20,712.51
  4. Step 4: Simplify right side
    33,900.12x = 1,051,702,550.26
  5. Step 5: Solve for x
    x = 1,051,702,550.26/33,900.12
  6. Step 6: Final answer
    x = 31,023.56

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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.