Home / 31,629.84-47,439.36-10,566.96

Finding the Fourth Proportional to 31,629.84, 47,439.36 and 10,566.96

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Solution

The fourth proportional to 31,629.84, 47,439.36 and 10,566.96 is: 15,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.84 : 47,439.36 = 10,566.96 : x
  2. Step 2: Convert to fraction form
    31,629.84/47,439.36 = 10,566.96/x
  3. Step 3: Cross multiply
    31,629.84x = 47,439.36 × 10,566.96
  4. Step 4: Simplify right side
    31,629.84x = 501,289,819.55
  5. Step 5: Solve for x
    x = 501,289,819.55/31,629.84
  6. Step 6: Final answer
    x = 15,848.64

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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.