Home / 39,922.22-55,093.01-22,017.84

Finding the Fourth Proportional to 39,922.22, 55,093.01 and 22,017.84

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Solution

The fourth proportional to 39,922.22, 55,093.01 and 22,017.84 is: 30,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922.22 : 55,093.01 = 22,017.84 : x
  2. Step 2: Convert to fraction form
    39,922.22/55,093.01 = 22,017.84/x
  3. Step 3: Cross multiply
    39,922.22x = 55,093.01 × 22,017.84
  4. Step 4: Simplify right side
    39,922.22x = 1,213,028,969.21
  5. Step 5: Solve for x
    x = 1,213,028,969.21/39,922.22
  6. Step 6: Final answer
    x = 30,384.81

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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.