Home / 36,178.56-54,267.68-12,806.72

Finding the Fourth Proportional to 36,178.56, 54,267.68 and 12,806.72

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Solution

The fourth proportional to 36,178.56, 54,267.68 and 12,806.72 is: 19,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178.56 : 54,267.68 = 12,806.72 : x
  2. Step 2: Convert to fraction form
    36,178.56/54,267.68 = 12,806.72/x
  3. Step 3: Cross multiply
    36,178.56x = 54,267.68 × 12,806.72
  4. Step 4: Simplify right side
    36,178.56x = 694,990,982.81
  5. Step 5: Solve for x
    x = 694,990,982.81/36,178.56
  6. Step 6: Final answer
    x = 19,210.02

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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.