Home / 30,289.38-45,433.67-7,799.94

Finding the Fourth Proportional to 30,289.38, 45,433.67 and 7,799.94

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Solution

The fourth proportional to 30,289.38, 45,433.67 and 7,799.94 is: 11,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.38 : 45,433.67 = 7,799.94 : x
  2. Step 2: Convert to fraction form
    30,289.38/45,433.67 = 7,799.94/x
  3. Step 3: Cross multiply
    30,289.38x = 45,433.67 × 7,799.94
  4. Step 4: Simplify right side
    30,289.38x = 354,379,860.98
  5. Step 5: Solve for x
    x = 354,379,860.98/30,289.38
  6. Step 6: Final answer
    x = 11,699.81

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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.