Home / 47,754.96-71,647.44-19,688.23

Finding the Fourth Proportional to 47,754.96, 71,647.44 and 19,688.23

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Solution

The fourth proportional to 47,754.96, 71,647.44 and 19,688.23 is: 29,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,754.96 : 71,647.44 = 19,688.23 : x
  2. Step 2: Convert to fraction form
    47,754.96/71,647.44 = 19,688.23/x
  3. Step 3: Cross multiply
    47,754.96x = 71,647.44 × 19,688.23
  4. Step 4: Simplify right side
    47,754.96x = 1,410,611,543.55
  5. Step 5: Solve for x
    x = 1,410,611,543.55/47,754.96
  6. Step 6: Final answer
    x = 29,538.53

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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.