Home / 30,128.96-41,577.55-16,699.93

Finding the Fourth Proportional to 30,128.96, 41,577.55 and 16,699.93

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Solution

The fourth proportional to 30,128.96, 41,577.55 and 16,699.93 is: 23,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,128.96 : 41,577.55 = 16,699.93 : x
  2. Step 2: Convert to fraction form
    30,128.96/41,577.55 = 16,699.93/x
  3. Step 3: Cross multiply
    30,128.96x = 41,577.55 × 16,699.93
  4. Step 4: Simplify right side
    30,128.96x = 694,342,028.88
  5. Step 5: Solve for x
    x = 694,342,028.88/30,128.96
  6. Step 6: Final answer
    x = 23,045.67

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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.