Home / 36,459.10-54,689.87-10,161.64

Finding the Fourth Proportional to 36,459.10, 54,689.87 and 10,161.64

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Solution

The fourth proportional to 36,459.10, 54,689.87 and 10,161.64 is: 15,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,459.10 : 54,689.87 = 10,161.64 : x
  2. Step 2: Convert to fraction form
    36,459.10/54,689.87 = 10,161.64/x
  3. Step 3: Cross multiply
    36,459.10x = 54,689.87 × 10,161.64
  4. Step 4: Simplify right side
    36,459.10x = 555,738,770.59
  5. Step 5: Solve for x
    x = 555,738,770.59/36,459.10
  6. Step 6: Final answer
    x = 15,242.80

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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.