Home / 31,183.83-43,079.22-26,984.79

Finding the Fourth Proportional to 31,183.83, 43,079.22 and 26,984.79

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Solution

The fourth proportional to 31,183.83, 43,079.22 and 26,984.79 is: 37,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.83 : 43,079.22 = 26,984.79 : x
  2. Step 2: Convert to fraction form
    31,183.83/43,079.22 = 26,984.79/x
  3. Step 3: Cross multiply
    31,183.83x = 43,079.22 × 26,984.79
  4. Step 4: Simplify right side
    31,183.83x = 1,162,483,705.06
  5. Step 5: Solve for x
    x = 1,162,483,705.06/31,183.83
  6. Step 6: Final answer
    x = 37,278.41

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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.