Home / 30,206.66-41,686.58-16,777.97

Finding the Fourth Proportional to 30,206.66, 41,686.58 and 16,777.97

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Solution

The fourth proportional to 30,206.66, 41,686.58 and 16,777.97 is: 23,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.66 : 41,686.58 = 16,777.97 : x
  2. Step 2: Convert to fraction form
    30,206.66/41,686.58 = 16,777.97/x
  3. Step 3: Cross multiply
    30,206.66x = 41,686.58 × 16,777.97
  4. Step 4: Simplify right side
    30,206.66x = 699,415,896.32
  5. Step 5: Solve for x
    x = 699,415,896.32/30,206.66
  6. Step 6: Final answer
    x = 23,154.36

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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.