Home / 77,285.98-115,945.48-23,976.80

Finding the Fourth Proportional to 77,285.98, 115,945.48 and 23,976.80

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Solution

The fourth proportional to 77,285.98, 115,945.48 and 23,976.80 is: 35,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,285.98 : 115,945.48 = 23,976.80 : x
  2. Step 2: Convert to fraction form
    77,285.98/115,945.48 = 23,976.80/x
  3. Step 3: Cross multiply
    77,285.98x = 115,945.48 × 23,976.80
  4. Step 4: Simplify right side
    77,285.98x = 2,780,001,584.86
  5. Step 5: Solve for x
    x = 2,780,001,584.86/77,285.98
  6. Step 6: Final answer
    x = 35,970.32

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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.