Home / 53,839.20-80,769.60-16,401.60

Finding the Fourth Proportional to 53,839.20, 80,769.60 and 16,401.60

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Solution

The fourth proportional to 53,839.20, 80,769.60 and 16,401.60 is: 24,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,839.20 : 80,769.60 = 16,401.60 : x
  2. Step 2: Convert to fraction form
    53,839.20/80,769.60 = 16,401.60/x
  3. Step 3: Cross multiply
    53,839.20x = 80,769.60 × 16,401.60
  4. Step 4: Simplify right side
    53,839.20x = 1,324,750,671.36
  5. Step 5: Solve for x
    x = 1,324,750,671.36/53,839.20
  6. Step 6: Final answer
    x = 24,605.69

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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.