Home / 43,409.20-65,113.80-32,911.60

Finding the Fourth Proportional to 43,409.20, 65,113.80 and 32,911.60

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Solution

The fourth proportional to 43,409.20, 65,113.80 and 32,911.60 is: 49,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,409.20 : 65,113.80 = 32,911.60 : x
  2. Step 2: Convert to fraction form
    43,409.20/65,113.80 = 32,911.60/x
  3. Step 3: Cross multiply
    43,409.20x = 65,113.80 × 32,911.60
  4. Step 4: Simplify right side
    43,409.20x = 2,142,999,340.08
  5. Step 5: Solve for x
    x = 2,142,999,340.08/43,409.20
  6. Step 6: Final answer
    x = 49,367.40

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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.