Home / 36,421.28-54,634.86-10,126.04

Finding the Fourth Proportional to 36,421.28, 54,634.86 and 10,126.04

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Solution

The fourth proportional to 36,421.28, 54,634.86 and 10,126.04 is: 15,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,421.28 : 54,634.86 = 10,126.04 : x
  2. Step 2: Convert to fraction form
    36,421.28/54,634.86 = 10,126.04/x
  3. Step 3: Cross multiply
    36,421.28x = 54,634.86 × 10,126.04
  4. Step 4: Simplify right side
    36,421.28x = 553,234,777.75
  5. Step 5: Solve for x
    x = 553,234,777.75/36,421.28
  6. Step 6: Final answer
    x = 15,189.88

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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.