Home / 43,511.41-65,285.72-18,216.83

Finding the Fourth Proportional to 43,511.41, 65,285.72 and 18,216.83

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Solution

The fourth proportional to 43,511.41, 65,285.72 and 18,216.83 is: 27,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,511.41 : 65,285.72 = 18,216.83 : x
  2. Step 2: Convert to fraction form
    43,511.41/65,285.72 = 18,216.83/x
  3. Step 3: Cross multiply
    43,511.41x = 65,285.72 × 18,216.83
  4. Step 4: Simplify right side
    43,511.41x = 1,189,298,862.67
  5. Step 5: Solve for x
    x = 1,189,298,862.67/43,511.41
  6. Step 6: Final answer
    x = 27,333.03

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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.