Home / 33,900.39-46,765.76-21,316.23

Finding the Fourth Proportional to 33,900.39, 46,765.76 and 21,316.23

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Solution

The fourth proportional to 33,900.39, 46,765.76 and 21,316.23 is: 29,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,900.39 : 46,765.76 = 21,316.23 : x
  2. Step 2: Convert to fraction form
    33,900.39/46,765.76 = 21,316.23/x
  3. Step 3: Cross multiply
    33,900.39x = 46,765.76 × 21,316.23
  4. Step 4: Simplify right side
    33,900.39x = 996,869,589.70
  5. Step 5: Solve for x
    x = 996,869,589.70/33,900.39
  6. Step 6: Final answer
    x = 29,405.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.