Home / 29,121.59-43,682.02-20,537.67

Finding the Fourth Proportional to 29,121.59, 43,682.02 and 20,537.67

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Solution

The fourth proportional to 29,121.59, 43,682.02 and 20,537.67 is: 30,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.59 : 43,682.02 = 20,537.67 : x
  2. Step 2: Convert to fraction form
    29,121.59/43,682.02 = 20,537.67/x
  3. Step 3: Cross multiply
    29,121.59x = 43,682.02 × 20,537.67
  4. Step 4: Simplify right side
    29,121.59x = 897,126,911.69
  5. Step 5: Solve for x
    x = 897,126,911.69/29,121.59
  6. Step 6: Final answer
    x = 30,806.25

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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.