Home / 43,734.20-65,525.70-20,312.60

Finding the Fourth Proportional to 43,734.20, 65,525.70 and 20,312.60

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Solution

The fourth proportional to 43,734.20, 65,525.70 and 20,312.60 is: 30,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,734.20 : 65,525.70 = 20,312.60 : x
  2. Step 2: Convert to fraction form
    43,734.20/65,525.70 = 20,312.60/x
  3. Step 3: Cross multiply
    43,734.20x = 65,525.70 × 20,312.60
  4. Step 4: Simplify right side
    43,734.20x = 1,330,997,333.82
  5. Step 5: Solve for x
    x = 1,330,997,333.82/43,734.20
  6. Step 6: Final answer
    x = 30,433.79

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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.