Home / 30,941.82-42,699.76-16,794.67

Finding the Fourth Proportional to 30,941.82, 42,699.76 and 16,794.67

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Solution

The fourth proportional to 30,941.82, 42,699.76 and 16,794.67 is: 23,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.82 : 42,699.76 = 16,794.67 : x
  2. Step 2: Convert to fraction form
    30,941.82/42,699.76 = 16,794.67/x
  3. Step 3: Cross multiply
    30,941.82x = 42,699.76 × 16,794.67
  4. Step 4: Simplify right side
    30,941.82x = 717,128,378.28
  5. Step 5: Solve for x
    x = 717,128,378.28/30,941.82
  6. Step 6: Final answer
    x = 23,176.67

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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.