Home / 36,074.55-54,106.75-12,381.71

Finding the Fourth Proportional to 36,074.55, 54,106.75 and 12,381.71

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Solution

The fourth proportional to 36,074.55, 54,106.75 and 12,381.71 is: 18,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.55 : 54,106.75 = 12,381.71 : x
  2. Step 2: Convert to fraction form
    36,074.55/54,106.75 = 12,381.71/x
  3. Step 3: Cross multiply
    36,074.55x = 54,106.75 × 12,381.71
  4. Step 4: Simplify right side
    36,074.55x = 669,933,817.01
  5. Step 5: Solve for x
    x = 669,933,817.01/36,074.55
  6. Step 6: Final answer
    x = 18,570.82

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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.