Home / 36,140.16-54,196.72-12,441.04

Finding the Fourth Proportional to 36,140.16, 54,196.72 and 12,441.04

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Solution

The fourth proportional to 36,140.16, 54,196.72 and 12,441.04 is: 18,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.16 : 54,196.72 = 12,441.04 : x
  2. Step 2: Convert to fraction form
    36,140.16/54,196.72 = 12,441.04/x
  3. Step 3: Cross multiply
    36,140.16x = 54,196.72 × 12,441.04
  4. Step 4: Simplify right side
    36,140.16x = 674,263,561.39
  5. Step 5: Solve for x
    x = 674,263,561.39/36,140.16
  6. Step 6: Final answer
    x = 18,656.91

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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.