Home / 31,476.73-47,244.26-15,905.29

Finding the Fourth Proportional to 31,476.73, 47,244.26 and 15,905.29

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Solution

The fourth proportional to 31,476.73, 47,244.26 and 15,905.29 is: 23,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476.73 : 47,244.26 = 15,905.29 : x
  2. Step 2: Convert to fraction form
    31,476.73/47,244.26 = 15,905.29/x
  3. Step 3: Cross multiply
    31,476.73x = 47,244.26 × 15,905.29
  4. Step 4: Simplify right side
    31,476.73x = 751,433,656.14
  5. Step 5: Solve for x
    x = 751,433,656.14/31,476.73
  6. Step 6: Final answer
    x = 23,872.67

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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.