Home / 30,358.64-41,871.26-19,751.70

Finding the Fourth Proportional to 30,358.64, 41,871.26 and 19,751.70

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Solution

The fourth proportional to 30,358.64, 41,871.26 and 19,751.70 is: 27,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.64 : 41,871.26 = 19,751.70 : x
  2. Step 2: Convert to fraction form
    30,358.64/41,871.26 = 19,751.70/x
  3. Step 3: Cross multiply
    30,358.64x = 41,871.26 × 19,751.70
  4. Step 4: Simplify right side
    30,358.64x = 827,028,566.14
  5. Step 5: Solve for x
    x = 827,028,566.14/30,358.64
  6. Step 6: Final answer
    x = 27,241.95

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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.