Home / 53,788.83-80,683.65-18,728.43

Finding the Fourth Proportional to 53,788.83, 80,683.65 and 18,728.43

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Solution

The fourth proportional to 53,788.83, 80,683.65 and 18,728.43 is: 28,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,788.83 : 80,683.65 = 18,728.43 : x
  2. Step 2: Convert to fraction form
    53,788.83/80,683.65 = 18,728.43/x
  3. Step 3: Cross multiply
    53,788.83x = 80,683.65 × 18,728.43
  4. Step 4: Simplify right side
    53,788.83x = 1,511,078,091.17
  5. Step 5: Solve for x
    x = 1,511,078,091.17/53,788.83
  6. Step 6: Final answer
    x = 28,092.79

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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.