Home / 53,999.52-80,996.40-18,942.72

Finding the Fourth Proportional to 53,999.52, 80,996.40 and 18,942.72

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Solution

The fourth proportional to 53,999.52, 80,996.40 and 18,942.72 is: 28,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.52 : 80,996.40 = 18,942.72 : x
  2. Step 2: Convert to fraction form
    53,999.52/80,996.40 = 18,942.72/x
  3. Step 3: Cross multiply
    53,999.52x = 80,996.40 × 18,942.72
  4. Step 4: Simplify right side
    53,999.52x = 1,534,292,126.21
  5. Step 5: Solve for x
    x = 1,534,292,126.21/53,999.52
  6. Step 6: Final answer
    x = 28,413.07

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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.