Home / 53,920.40-80,880.60-16,480.58

Finding the Fourth Proportional to 53,920.40, 80,880.60 and 16,480.58

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Solution

The fourth proportional to 53,920.40, 80,880.60 and 16,480.58 is: 24,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.40 : 80,880.60 = 16,480.58 : x
  2. Step 2: Convert to fraction form
    53,920.40/80,880.60 = 16,480.58/x
  3. Step 3: Cross multiply
    53,920.40x = 80,880.60 × 16,480.58
  4. Step 4: Simplify right side
    53,920.40x = 1,332,958,996.55
  5. Step 5: Solve for x
    x = 1,332,958,996.55/53,920.40
  6. Step 6: Final answer
    x = 24,720.87

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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.