Home / 47,516.10-71,287.11-15,931.37

Finding the Fourth Proportional to 47,516.10, 71,287.11 and 15,931.37

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Solution

The fourth proportional to 47,516.10, 71,287.11 and 15,931.37 is: 23,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,516.10 : 71,287.11 = 15,931.37 : x
  2. Step 2: Convert to fraction form
    47,516.10/71,287.11 = 15,931.37/x
  3. Step 3: Cross multiply
    47,516.10x = 71,287.11 × 15,931.37
  4. Step 4: Simplify right side
    47,516.10x = 1,135,700,969.21
  5. Step 5: Solve for x
    x = 1,135,700,969.21/47,516.10
  6. Step 6: Final answer
    x = 23,901.39

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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.