Home / 43,972.96-65,977.88-19,000.12

Finding the Fourth Proportional to 43,972.96, 65,977.88 and 19,000.12

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Solution

The fourth proportional to 43,972.96, 65,977.88 and 19,000.12 is: 28,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,972.96 : 65,977.88 = 19,000.12 : x
  2. Step 2: Convert to fraction form
    43,972.96/65,977.88 = 19,000.12/x
  3. Step 3: Cross multiply
    43,972.96x = 65,977.88 × 19,000.12
  4. Step 4: Simplify right side
    43,972.96x = 1,253,587,637.35
  5. Step 5: Solve for x
    x = 1,253,587,637.35/43,972.96
  6. Step 6: Final answer
    x = 28,508.15

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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.