Home / 36,214.35-54,323.21-18,718.35

Finding the Fourth Proportional to 36,214.35, 54,323.21 and 18,718.35

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Solution

The fourth proportional to 36,214.35, 54,323.21 and 18,718.35 is: 28,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,214.35 : 54,323.21 = 18,718.35 : x
  2. Step 2: Convert to fraction form
    36,214.35/54,323.21 = 18,718.35/x
  3. Step 3: Cross multiply
    36,214.35x = 54,323.21 × 18,718.35
  4. Step 4: Simplify right side
    36,214.35x = 1,016,840,764.31
  5. Step 5: Solve for x
    x = 1,016,840,764.31/36,214.35
  6. Step 6: Final answer
    x = 28,078.39

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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.