Home / 47,396.72-71,071.22-15,795.60

Finding the Fourth Proportional to 47,396.72, 71,071.22 and 15,795.60

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Solution

The fourth proportional to 47,396.72, 71,071.22 and 15,795.60 is: 23,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,396.72 : 71,071.22 = 15,795.60 : x
  2. Step 2: Convert to fraction form
    47,396.72/71,071.22 = 15,795.60/x
  3. Step 3: Cross multiply
    47,396.72x = 71,071.22 × 15,795.60
  4. Step 4: Simplify right side
    47,396.72x = 1,122,612,562.63
  5. Step 5: Solve for x
    x = 1,122,612,562.63/47,396.72
  6. Step 6: Final answer
    x = 23,685.45

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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.