Home / 47,436.72-71,147.01-15,843.20

Finding the Fourth Proportional to 47,436.72, 71,147.01 and 15,843.20

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Solution

The fourth proportional to 47,436.72, 71,147.01 and 15,843.20 is: 23,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,436.72 : 71,147.01 = 15,843.20 : x
  2. Step 2: Convert to fraction form
    47,436.72/71,147.01 = 15,843.20/x
  3. Step 3: Cross multiply
    47,436.72x = 71,147.01 × 15,843.20
  4. Step 4: Simplify right side
    47,436.72x = 1,127,196,308.83
  5. Step 5: Solve for x
    x = 1,127,196,308.83/47,436.72
  6. Step 6: Final answer
    x = 23,762.10

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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.