Home / 43,520.19-65,284.83-18,562.88

Finding the Fourth Proportional to 43,520.19, 65,284.83 and 18,562.88

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Solution

The fourth proportional to 43,520.19, 65,284.83 and 18,562.88 is: 27,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,520.19 : 65,284.83 = 18,562.88 : x
  2. Step 2: Convert to fraction form
    43,520.19/65,284.83 = 18,562.88/x
  3. Step 3: Cross multiply
    43,520.19x = 65,284.83 × 18,562.88
  4. Step 4: Simplify right side
    43,520.19x = 1,211,874,138.69
  5. Step 5: Solve for x
    x = 1,211,874,138.69/43,520.19
  6. Step 6: Final answer
    x = 27,846.25

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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.