Home / 30,794.73-42,496.77-16,647.57

Finding the Fourth Proportional to 30,794.73, 42,496.77 and 16,647.57

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Solution

The fourth proportional to 30,794.73, 42,496.77 and 16,647.57 is: 22,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,794.73 : 42,496.77 = 16,647.57 : x
  2. Step 2: Convert to fraction form
    30,794.73/42,496.77 = 16,647.57/x
  3. Step 3: Cross multiply
    30,794.73x = 42,496.77 × 16,647.57
  4. Step 4: Simplify right side
    30,794.73x = 707,467,953.35
  5. Step 5: Solve for x
    x = 707,467,953.35/30,794.73
  6. Step 6: Final answer
    x = 22,973.67

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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.