Home / 31,805.17-47,729.62-11,028.67

Finding the Fourth Proportional to 31,805.17, 47,729.62 and 11,028.67

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Solution

The fourth proportional to 31,805.17, 47,729.62 and 11,028.67 is: 16,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805.17 : 47,729.62 = 11,028.67 : x
  2. Step 2: Convert to fraction form
    31,805.17/47,729.62 = 11,028.67/x
  3. Step 3: Cross multiply
    31,805.17x = 47,729.62 × 11,028.67
  4. Step 4: Simplify right side
    31,805.17x = 526,394,228.21
  5. Step 5: Solve for x
    x = 526,394,228.21/31,805.17
  6. Step 6: Final answer
    x = 16,550.59

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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.