Home / 30,946.87-42,706.38-16,799.69

Finding the Fourth Proportional to 30,946.87, 42,706.38 and 16,799.69

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Solution

The fourth proportional to 30,946.87, 42,706.38 and 16,799.69 is: 23,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.87 : 42,706.38 = 16,799.69 : x
  2. Step 2: Convert to fraction form
    30,946.87/42,706.38 = 16,799.69/x
  3. Step 3: Cross multiply
    30,946.87x = 42,706.38 × 16,799.69
  4. Step 4: Simplify right side
    30,946.87x = 717,453,945.02
  5. Step 5: Solve for x
    x = 717,453,945.02/30,946.87
  6. Step 6: Final answer
    x = 23,183.41

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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.