Home / 43,664.14-65,441.40-18,674.80

Finding the Fourth Proportional to 43,664.14, 65,441.40 and 18,674.80

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Solution

The fourth proportional to 43,664.14, 65,441.40 and 18,674.80 is: 27,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664.14 : 65,441.40 = 18,674.80 : x
  2. Step 2: Convert to fraction form
    43,664.14/65,441.40 = 18,674.80/x
  3. Step 3: Cross multiply
    43,664.14x = 65,441.40 × 18,674.80
  4. Step 4: Simplify right side
    43,664.14x = 1,222,105,056.72
  5. Step 5: Solve for x
    x = 1,222,105,056.72/43,664.14
  6. Step 6: Final answer
    x = 27,988.76

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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.