Home / 39,215.04-54,093.12-23,289.12

Finding the Fourth Proportional to 39,215.04, 54,093.12 and 23,289.12

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Solution

The fourth proportional to 39,215.04, 54,093.12 and 23,289.12 is: 32,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.04 : 54,093.12 = 23,289.12 : x
  2. Step 2: Convert to fraction form
    39,215.04/54,093.12 = 23,289.12/x
  3. Step 3: Cross multiply
    39,215.04x = 54,093.12 × 23,289.12
  4. Step 4: Simplify right side
    39,215.04x = 1,259,781,162.85
  5. Step 5: Solve for x
    x = 1,259,781,162.85/39,215.04
  6. Step 6: Final answer
    x = 32,124.95

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Similar ratio
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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.