Home / 30,768.45-46,120.38-17,424.75

Finding the Fourth Proportional to 30,768.45, 46,120.38 and 17,424.75

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Solution

The fourth proportional to 30,768.45, 46,120.38 and 17,424.75 is: 26,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.45 : 46,120.38 = 17,424.75 : x
  2. Step 2: Convert to fraction form
    30,768.45/46,120.38 = 17,424.75/x
  3. Step 3: Cross multiply
    30,768.45x = 46,120.38 × 17,424.75
  4. Step 4: Simplify right side
    30,768.45x = 803,636,091.41
  5. Step 5: Solve for x
    x = 803,636,091.41/30,768.45
  6. Step 6: Final answer
    x = 26,118.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.