Home / 47,739.88-71,611.62-18,152.20

Finding the Fourth Proportional to 47,739.88, 71,611.62 and 18,152.20

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Solution

The fourth proportional to 47,739.88, 71,611.62 and 18,152.20 is: 27,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,739.88 : 71,611.62 = 18,152.20 : x
  2. Step 2: Convert to fraction form
    47,739.88/71,611.62 = 18,152.20/x
  3. Step 3: Cross multiply
    47,739.88x = 71,611.62 × 18,152.20
  4. Step 4: Simplify right side
    47,739.88x = 1,299,908,448.56
  5. Step 5: Solve for x
    x = 1,299,908,448.56/47,739.88
  6. Step 6: Final answer
    x = 27,228.98

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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.