Home / 43,549.52-65,325.04-12,385.60

Finding the Fourth Proportional to 43,549.52, 65,325.04 and 12,385.60

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Solution

The fourth proportional to 43,549.52, 65,325.04 and 12,385.60 is: 18,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,549.52 : 65,325.04 = 12,385.60 : x
  2. Step 2: Convert to fraction form
    43,549.52/65,325.04 = 12,385.60/x
  3. Step 3: Cross multiply
    43,549.52x = 65,325.04 × 12,385.60
  4. Step 4: Simplify right side
    43,549.52x = 809,089,815.42
  5. Step 5: Solve for x
    x = 809,089,815.42/43,549.52
  6. Step 6: Final answer
    x = 18,578.62

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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.