Home / 30,941.28-42,698.97-16,794.12

Finding the Fourth Proportional to 30,941.28, 42,698.97 and 16,794.12

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Solution

The fourth proportional to 30,941.28, 42,698.97 and 16,794.12 is: 23,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.28 : 42,698.97 = 16,794.12 : x
  2. Step 2: Convert to fraction form
    30,941.28/42,698.97 = 16,794.12/x
  3. Step 3: Cross multiply
    30,941.28x = 42,698.97 × 16,794.12
  4. Step 4: Simplify right side
    30,941.28x = 717,091,626.06
  5. Step 5: Solve for x
    x = 717,091,626.06/30,941.28
  6. Step 6: Final answer
    x = 23,175.89

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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.