Home / 35,131.28-48,481.22-19,215.68

Finding the Fourth Proportional to 35,131.28, 48,481.22 and 19,215.68

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Solution

The fourth proportional to 35,131.28, 48,481.22 and 19,215.68 is: 26,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.28 : 48,481.22 = 19,215.68 : x
  2. Step 2: Convert to fraction form
    35,131.28/48,481.22 = 19,215.68/x
  3. Step 3: Cross multiply
    35,131.28x = 48,481.22 × 19,215.68
  4. Step 4: Simplify right side
    35,131.28x = 931,599,609.53
  5. Step 5: Solve for x
    x = 931,599,609.53/35,131.28
  6. Step 6: Final answer
    x = 26,517.67

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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.