Home / 53,880.18-80,834.88-20,582.70

Finding the Fourth Proportional to 53,880.18, 80,834.88 and 20,582.70

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Solution

The fourth proportional to 53,880.18, 80,834.88 and 20,582.70 is: 30,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.18 : 80,834.88 = 20,582.70 : x
  2. Step 2: Convert to fraction form
    53,880.18/80,834.88 = 20,582.70/x
  3. Step 3: Cross multiply
    53,880.18x = 80,834.88 × 20,582.70
  4. Step 4: Simplify right side
    53,880.18x = 1,663,800,084.58
  5. Step 5: Solve for x
    x = 1,663,800,084.58/53,880.18
  6. Step 6: Final answer
    x = 30,879.63

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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.