Home / 47,729.80-71,567.70-18,148.60

Finding the Fourth Proportional to 47,729.80, 71,567.70 and 18,148.60

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Solution

The fourth proportional to 47,729.80, 71,567.70 and 18,148.60 is: 27,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.80 : 71,567.70 = 18,148.60 : x
  2. Step 2: Convert to fraction form
    47,729.80/71,567.70 = 18,148.60/x
  3. Step 3: Cross multiply
    47,729.80x = 71,567.70 × 18,148.60
  4. Step 4: Simplify right side
    47,729.80x = 1,298,853,560.22
  5. Step 5: Solve for x
    x = 1,298,853,560.22/47,729.80
  6. Step 6: Final answer
    x = 27,212.63

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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.