Home / 38,734.29-53,450.96-21,735.63

Finding the Fourth Proportional to 38,734.29, 53,450.96 and 21,735.63

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Solution

The fourth proportional to 38,734.29, 53,450.96 and 21,735.63 is: 29,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.29 : 53,450.96 = 21,735.63 : x
  2. Step 2: Convert to fraction form
    38,734.29/53,450.96 = 21,735.63/x
  3. Step 3: Cross multiply
    38,734.29x = 53,450.96 × 21,735.63
  4. Step 4: Simplify right side
    38,734.29x = 1,161,790,181.03
  5. Step 5: Solve for x
    x = 1,161,790,181.03/38,734.29
  6. Step 6: Final answer
    x = 29,993.84

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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.