Home / 38,734.58-53,441.53-21,736.32

Finding the Fourth Proportional to 38,734.58, 53,441.53 and 21,736.32

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Solution

The fourth proportional to 38,734.58, 53,441.53 and 21,736.32 is: 29,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.58 : 53,441.53 = 21,736.32 : x
  2. Step 2: Convert to fraction form
    38,734.58/53,441.53 = 21,736.32/x
  3. Step 3: Cross multiply
    38,734.58x = 53,441.53 × 21,736.32
  4. Step 4: Simplify right side
    38,734.58x = 1,161,622,197.37
  5. Step 5: Solve for x
    x = 1,161,622,197.37/38,734.58
  6. Step 6: Final answer
    x = 29,989.28

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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.