Home / 47,731.80-71,570.70-18,150.60

Finding the Fourth Proportional to 47,731.80, 71,570.70 and 18,150.60

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Solution

The fourth proportional to 47,731.80, 71,570.70 and 18,150.60 is: 27,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.80 : 71,570.70 = 18,150.60 : x
  2. Step 2: Convert to fraction form
    47,731.80/71,570.70 = 18,150.60/x
  3. Step 3: Cross multiply
    47,731.80x = 71,570.70 × 18,150.60
  4. Step 4: Simplify right side
    47,731.80x = 1,299,051,147.42
  5. Step 5: Solve for x
    x = 1,299,051,147.42/47,731.80
  6. Step 6: Final answer
    x = 27,215.63

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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.