Home / 47,405.21-71,115.08-17,825.09

Finding the Fourth Proportional to 47,405.21, 71,115.08 and 17,825.09

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Solution

The fourth proportional to 47,405.21, 71,115.08 and 17,825.09 is: 26,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,405.21 : 71,115.08 = 17,825.09 : x
  2. Step 2: Convert to fraction form
    47,405.21/71,115.08 = 17,825.09/x
  3. Step 3: Cross multiply
    47,405.21x = 71,115.08 × 17,825.09
  4. Step 4: Simplify right side
    47,405.21x = 1,267,632,256.66
  5. Step 5: Solve for x
    x = 1,267,632,256.66/47,405.21
  6. Step 6: Final answer
    x = 26,740.36

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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.