Home / 29,172.96-43,748.64-10,447.84

Finding the Fourth Proportional to 29,172.96, 43,748.64 and 10,447.84

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Solution

The fourth proportional to 29,172.96, 43,748.64 and 10,447.84 is: 15,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.96 : 43,748.64 = 10,447.84 : x
  2. Step 2: Convert to fraction form
    29,172.96/43,748.64 = 10,447.84/x
  3. Step 3: Cross multiply
    29,172.96x = 43,748.64 × 10,447.84
  4. Step 4: Simplify right side
    29,172.96x = 457,078,790.94
  5. Step 5: Solve for x
    x = 457,078,790.94/29,172.96
  6. Step 6: Final answer
    x = 15,667.89

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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.