Home / 43,233.68-64,853.94-13,653.80

Finding the Fourth Proportional to 43,233.68, 64,853.94 and 13,653.80

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Solution

The fourth proportional to 43,233.68, 64,853.94 and 13,653.80 is: 20,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,233.68 : 64,853.94 = 13,653.80 : x
  2. Step 2: Convert to fraction form
    43,233.68/64,853.94 = 13,653.80/x
  3. Step 3: Cross multiply
    43,233.68x = 64,853.94 × 13,653.80
  4. Step 4: Simplify right side
    43,233.68x = 885,502,725.97
  5. Step 5: Solve for x
    x = 885,502,725.97/43,233.68
  6. Step 6: Final answer
    x = 20,481.78

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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.