Home / 31,865.08-43,964.94-19,110.28

Finding the Fourth Proportional to 31,865.08, 43,964.94 and 19,110.28

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Solution

The fourth proportional to 31,865.08, 43,964.94 and 19,110.28 is: 26,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.08 : 43,964.94 = 19,110.28 : x
  2. Step 2: Convert to fraction form
    31,865.08/43,964.94 = 19,110.28/x
  3. Step 3: Cross multiply
    31,865.08x = 43,964.94 × 19,110.28
  4. Step 4: Simplify right side
    31,865.08x = 840,182,313.58
  5. Step 5: Solve for x
    x = 840,182,313.58/31,865.08
  6. Step 6: Final answer
    x = 26,366.87

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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.