Home / 30,946.76-42,706.60-16,799.60

Finding the Fourth Proportional to 30,946.76, 42,706.60 and 16,799.60

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Solution

The fourth proportional to 30,946.76, 42,706.60 and 16,799.60 is: 23,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.76 : 42,706.60 = 16,799.60 : x
  2. Step 2: Convert to fraction form
    30,946.76/42,706.60 = 16,799.60/x
  3. Step 3: Cross multiply
    30,946.76x = 42,706.60 × 16,799.60
  4. Step 4: Simplify right side
    30,946.76x = 717,453,797.36
  5. Step 5: Solve for x
    x = 717,453,797.36/30,946.76
  6. Step 6: Final answer
    x = 23,183.49

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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.