Home / 57,976.56-79,980.75-40,096.62

Finding the Fourth Proportional to 57,976.56, 79,980.75 and 40,096.62

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Solution

The fourth proportional to 57,976.56, 79,980.75 and 40,096.62 is: 55,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,976.56 : 79,980.75 = 40,096.62 : x
  2. Step 2: Convert to fraction form
    57,976.56/79,980.75 = 40,096.62/x
  3. Step 3: Cross multiply
    57,976.56x = 79,980.75 × 40,096.62
  4. Step 4: Simplify right side
    57,976.56x = 3,206,957,740.07
  5. Step 5: Solve for x
    x = 3,206,957,740.07/57,976.56
  6. Step 6: Final answer
    x = 55,314.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.