Home / 53,650.20-80,486.10-18,582.60

Finding the Fourth Proportional to 53,650.20, 80,486.10 and 18,582.60

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Solution

The fourth proportional to 53,650.20, 80,486.10 and 18,582.60 is: 27,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,650.20 : 80,486.10 = 18,582.60 : x
  2. Step 2: Convert to fraction form
    53,650.20/80,486.10 = 18,582.60/x
  3. Step 3: Cross multiply
    53,650.20x = 80,486.10 × 18,582.60
  4. Step 4: Simplify right side
    53,650.20x = 1,495,641,001.86
  5. Step 5: Solve for x
    x = 1,495,641,001.86/53,650.20
  6. Step 6: Final answer
    x = 27,877.64

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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.