Home / 53,841.48-80,752.50-18,791.16

Finding the Fourth Proportional to 53,841.48, 80,752.50 and 18,791.16

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Solution

The fourth proportional to 53,841.48, 80,752.50 and 18,791.16 is: 28,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,841.48 : 80,752.50 = 18,791.16 : x
  2. Step 2: Convert to fraction form
    53,841.48/80,752.50 = 18,791.16/x
  3. Step 3: Cross multiply
    53,841.48x = 80,752.50 × 18,791.16
  4. Step 4: Simplify right side
    53,841.48x = 1,517,433,147.90
  5. Step 5: Solve for x
    x = 1,517,433,147.90/53,841.48
  6. Step 6: Final answer
    x = 28,183.35

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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.