Home / 38,178.84-57,268.22-20,682.84

Finding the Fourth Proportional to 38,178.84, 57,268.22 and 20,682.84

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Solution

The fourth proportional to 38,178.84, 57,268.22 and 20,682.84 is: 31,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.84 : 57,268.22 = 20,682.84 : x
  2. Step 2: Convert to fraction form
    38,178.84/57,268.22 = 20,682.84/x
  3. Step 3: Cross multiply
    38,178.84x = 57,268.22 × 20,682.84
  4. Step 4: Simplify right side
    38,178.84x = 1,184,469,431.34
  5. Step 5: Solve for x
    x = 1,184,469,431.34/38,178.84
  6. Step 6: Final answer
    x = 31,024.24

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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.