Home / 30,310.56-41,823.60-16,881.48

Finding the Fourth Proportional to 30,310.56, 41,823.60 and 16,881.48

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Solution

The fourth proportional to 30,310.56, 41,823.60 and 16,881.48 is: 23,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.56 : 41,823.60 = 16,881.48 : x
  2. Step 2: Convert to fraction form
    30,310.56/41,823.60 = 16,881.48/x
  3. Step 3: Cross multiply
    30,310.56x = 41,823.60 × 16,881.48
  4. Step 4: Simplify right side
    30,310.56x = 706,044,266.93
  5. Step 5: Solve for x
    x = 706,044,266.93/30,310.56
  6. Step 6: Final answer
    x = 23,293.67

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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.