Home / 53,648.20-80,483.10-18,580.60

Finding the Fourth Proportional to 53,648.20, 80,483.10 and 18,580.60

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Solution

The fourth proportional to 53,648.20, 80,483.10 and 18,580.60 is: 27,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,648.20 : 80,483.10 = 18,580.60 : x
  2. Step 2: Convert to fraction form
    53,648.20/80,483.10 = 18,580.60/x
  3. Step 3: Cross multiply
    53,648.20x = 80,483.10 × 18,580.60
  4. Step 4: Simplify right side
    53,648.20x = 1,495,424,287.86
  5. Step 5: Solve for x
    x = 1,495,424,287.86/53,648.20
  6. Step 6: Final answer
    x = 27,874.64

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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.