Home / 43,680.58-65,554.89-30,446.80

Finding the Fourth Proportional to 43,680.58, 65,554.89 and 30,446.80

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Solution

The fourth proportional to 43,680.58, 65,554.89 and 30,446.80 is: 45,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,680.58 : 65,554.89 = 30,446.80 : x
  2. Step 2: Convert to fraction form
    43,680.58/65,554.89 = 30,446.80/x
  3. Step 3: Cross multiply
    43,680.58x = 65,554.89 × 30,446.80
  4. Step 4: Simplify right side
    43,680.58x = 1,995,936,624.85
  5. Step 5: Solve for x
    x = 1,995,936,624.85/43,680.58
  6. Step 6: Final answer
    x = 45,693.91

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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.