Home / 45,999.44-68,976.66-18,976.74

Finding the Fourth Proportional to 45,999.44, 68,976.66 and 18,976.74

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Solution

The fourth proportional to 45,999.44, 68,976.66 and 18,976.74 is: 28,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.44 : 68,976.66 = 18,976.74 : x
  2. Step 2: Convert to fraction form
    45,999.44/68,976.66 = 18,976.74/x
  3. Step 3: Cross multiply
    45,999.44x = 68,976.66 × 18,976.74
  4. Step 4: Simplify right side
    45,999.44x = 1,308,952,142.89
  5. Step 5: Solve for x
    x = 1,308,952,142.89/45,999.44
  6. Step 6: Final answer
    x = 28,455.83

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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.