Home / 31,183.08-43,034.40-17,036.16

Finding the Fourth Proportional to 31,183.08, 43,034.40 and 17,036.16

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Solution

The fourth proportional to 31,183.08, 43,034.40 and 17,036.16 is: 23,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.08 : 43,034.40 = 17,036.16 : x
  2. Step 2: Convert to fraction form
    31,183.08/43,034.40 = 17,036.16/x
  3. Step 3: Cross multiply
    31,183.08x = 43,034.40 × 17,036.16
  4. Step 4: Simplify right side
    31,183.08x = 733,140,923.90
  5. Step 5: Solve for x
    x = 733,140,923.90/31,183.08
  6. Step 6: Final answer
    x = 23,510.86

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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.