Home / 31,303.91-43,198.92-16,963.40

Finding the Fourth Proportional to 31,303.91, 43,198.92 and 16,963.40

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Solution

The fourth proportional to 31,303.91, 43,198.92 and 16,963.40 is: 23,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.91 : 43,198.92 = 16,963.40 : x
  2. Step 2: Convert to fraction form
    31,303.91/43,198.92 = 16,963.40/x
  3. Step 3: Cross multiply
    31,303.91x = 43,198.92 × 16,963.40
  4. Step 4: Simplify right side
    31,303.91x = 732,800,343.53
  5. Step 5: Solve for x
    x = 732,800,343.53/31,303.91
  6. Step 6: Final answer
    x = 23,409.23

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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.