Home / 31,828.32-43,921.92-17,682.09

Finding the Fourth Proportional to 31,828.32, 43,921.92 and 17,682.09

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Solution

The fourth proportional to 31,828.32, 43,921.92 and 17,682.09 is: 24,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.32 : 43,921.92 = 17,682.09 : x
  2. Step 2: Convert to fraction form
    31,828.32/43,921.92 = 17,682.09/x
  3. Step 3: Cross multiply
    31,828.32x = 43,921.92 × 17,682.09
  4. Step 4: Simplify right side
    31,828.32x = 776,631,342.41
  5. Step 5: Solve for x
    x = 776,631,342.41/31,828.32
  6. Step 6: Final answer
    x = 24,400.64

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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.