Home / 43,427.20-65,140.80-32,929.60

Finding the Fourth Proportional to 43,427.20, 65,140.80 and 32,929.60

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Solution

The fourth proportional to 43,427.20, 65,140.80 and 32,929.60 is: 49,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,427.20 : 65,140.80 = 32,929.60 : x
  2. Step 2: Convert to fraction form
    43,427.20/65,140.80 = 32,929.60/x
  3. Step 3: Cross multiply
    43,427.20x = 65,140.80 × 32,929.60
  4. Step 4: Simplify right side
    43,427.20x = 2,145,060,487.68
  5. Step 5: Solve for x
    x = 2,145,060,487.68/43,427.20
  6. Step 6: Final answer
    x = 49,394.40

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1.5x scale

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.