Home / 30,636.27-42,277.23-17,206.86

Finding the Fourth Proportional to 30,636.27, 42,277.23 and 17,206.86

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Solution

The fourth proportional to 30,636.27, 42,277.23 and 17,206.86 is: 23,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,636.27 : 42,277.23 = 17,206.86 : x
  2. Step 2: Convert to fraction form
    30,636.27/42,277.23 = 17,206.86/x
  3. Step 3: Cross multiply
    30,636.27x = 42,277.23 × 17,206.86
  4. Step 4: Simplify right side
    30,636.27x = 727,458,377.80
  5. Step 5: Solve for x
    x = 727,458,377.80/30,636.27
  6. Step 6: Final answer
    x = 23,745.00

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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.