Home / 34,181.15-47,173.23-20,749.31

Finding the Fourth Proportional to 34,181.15, 47,173.23 and 20,749.31

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Solution

The fourth proportional to 34,181.15, 47,173.23 and 20,749.31 is: 28,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,181.15 : 47,173.23 = 20,749.31 : x
  2. Step 2: Convert to fraction form
    34,181.15/47,173.23 = 20,749.31/x
  3. Step 3: Cross multiply
    34,181.15x = 47,173.23 × 20,749.31
  4. Step 4: Simplify right side
    34,181.15x = 978,811,972.97
  5. Step 5: Solve for x
    x = 978,811,972.97/34,181.15
  6. Step 6: Final answer
    x = 28,636.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.