Home / 30,171.87-41,639.13-17,427.42

Finding the Fourth Proportional to 30,171.87, 41,639.13 and 17,427.42

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Solution

The fourth proportional to 30,171.87, 41,639.13 and 17,427.42 is: 24,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.87 : 41,639.13 = 17,427.42 : x
  2. Step 2: Convert to fraction form
    30,171.87/41,639.13 = 17,427.42/x
  3. Step 3: Cross multiply
    30,171.87x = 41,639.13 × 17,427.42
  4. Step 4: Simplify right side
    30,171.87x = 725,662,606.94
  5. Step 5: Solve for x
    x = 725,662,606.94/30,171.87
  6. Step 6: Final answer
    x = 24,050.97

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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.