Home / 39,228.58-54,135.23-22,236.04

Finding the Fourth Proportional to 39,228.58, 54,135.23 and 22,236.04

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Solution

The fourth proportional to 39,228.58, 54,135.23 and 22,236.04 is: 30,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228.58 : 54,135.23 = 22,236.04 : x
  2. Step 2: Convert to fraction form
    39,228.58/54,135.23 = 22,236.04/x
  3. Step 3: Cross multiply
    39,228.58x = 54,135.23 × 22,236.04
  4. Step 4: Simplify right side
    39,228.58x = 1,203,753,139.69
  5. Step 5: Solve for x
    x = 1,203,753,139.69/39,228.58
  6. Step 6: Final answer
    x = 30,685.62

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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.