Home / 47,905.21-71,858.63-15,884.43

Finding the Fourth Proportional to 47,905.21, 71,858.63 and 15,884.43

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Solution

The fourth proportional to 47,905.21, 71,858.63 and 15,884.43 is: 23,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.21 : 71,858.63 = 15,884.43 : x
  2. Step 2: Convert to fraction form
    47,905.21/71,858.63 = 15,884.43/x
  3. Step 3: Cross multiply
    47,905.21x = 71,858.63 × 15,884.43
  4. Step 4: Simplify right side
    47,905.21x = 1,141,433,378.13
  5. Step 5: Solve for x
    x = 1,141,433,378.13/47,905.21
  6. Step 6: Final answer
    x = 23,826.92

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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.