Home / 43,701.55-65,538.45-18,734.92

Finding the Fourth Proportional to 43,701.55, 65,538.45 and 18,734.92

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Solution

The fourth proportional to 43,701.55, 65,538.45 and 18,734.92 is: 28,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,701.55 : 65,538.45 = 18,734.92 : x
  2. Step 2: Convert to fraction form
    43,701.55/65,538.45 = 18,734.92/x
  3. Step 3: Cross multiply
    43,701.55x = 65,538.45 × 18,734.92
  4. Step 4: Simplify right side
    43,701.55x = 1,227,857,453.83
  5. Step 5: Solve for x
    x = 1,227,857,453.83/43,701.55
  6. Step 6: Final answer
    x = 28,096.43

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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.