Home / 30,993.04-42,770.14-16,845.84

Finding the Fourth Proportional to 30,993.04, 42,770.14 and 16,845.84

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Solution

The fourth proportional to 30,993.04, 42,770.14 and 16,845.84 is: 23,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,993.04 : 42,770.14 = 16,845.84 : x
  2. Step 2: Convert to fraction form
    30,993.04/42,770.14 = 16,845.84/x
  3. Step 3: Cross multiply
    30,993.04x = 42,770.14 × 16,845.84
  4. Step 4: Simplify right side
    30,993.04x = 720,498,935.22
  5. Step 5: Solve for x
    x = 720,498,935.22/30,993.04
  6. Step 6: Final answer
    x = 23,247.12

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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.