Home / 31,866.08-43,963.44-19,286.24

Finding the Fourth Proportional to 31,866.08, 43,963.44 and 19,286.24

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Solution

The fourth proportional to 31,866.08, 43,963.44 and 19,286.24 is: 26,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.08 : 43,963.44 = 19,286.24 : x
  2. Step 2: Convert to fraction form
    31,866.08/43,963.44 = 19,286.24/x
  3. Step 3: Cross multiply
    31,866.08x = 43,963.44 × 19,286.24
  4. Step 4: Simplify right side
    31,866.08x = 847,889,455.07
  5. Step 5: Solve for x
    x = 847,889,455.07/31,866.08
  6. Step 6: Final answer
    x = 26,607.90

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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.