Home / 31,183.16-43,033.80-17,036.90

Finding the Fourth Proportional to 31,183.16, 43,033.80 and 17,036.90

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Solution

The fourth proportional to 31,183.16, 43,033.80 and 17,036.90 is: 23,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.16 : 43,033.80 = 17,036.90 : x
  2. Step 2: Convert to fraction form
    31,183.16/43,033.80 = 17,036.90/x
  3. Step 3: Cross multiply
    31,183.16x = 43,033.80 × 17,036.90
  4. Step 4: Simplify right side
    31,183.16x = 733,162,547.22
  5. Step 5: Solve for x
    x = 733,162,547.22/31,183.16
  6. Step 6: Final answer
    x = 23,511.49

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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.