Home / 30,376.62-41,919.58-16,947.85

Finding the Fourth Proportional to 30,376.62, 41,919.58 and 16,947.85

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Solution

The fourth proportional to 30,376.62, 41,919.58 and 16,947.85 is: 23,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.62 : 41,919.58 = 16,947.85 : x
  2. Step 2: Convert to fraction form
    30,376.62/41,919.58 = 16,947.85/x
  3. Step 3: Cross multiply
    30,376.62x = 41,919.58 × 16,947.85
  4. Step 4: Simplify right side
    30,376.62x = 710,446,653.56
  5. Step 5: Solve for x
    x = 710,446,653.56/30,376.62
  6. Step 6: Final answer
    x = 23,387.94

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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.