Home / 38,447.37-53,055.99-21,450.42

Finding the Fourth Proportional to 38,447.37, 53,055.99 and 21,450.42

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Solution

The fourth proportional to 38,447.37, 53,055.99 and 21,450.42 is: 29,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,447.37 : 53,055.99 = 21,450.42 : x
  2. Step 2: Convert to fraction form
    38,447.37/53,055.99 = 21,450.42/x
  3. Step 3: Cross multiply
    38,447.37x = 53,055.99 × 21,450.42
  4. Step 4: Simplify right side
    38,447.37x = 1,138,073,269.02
  5. Step 5: Solve for x
    x = 1,138,073,269.02/38,447.37
  6. Step 6: Final answer
    x = 29,600.81

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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.