Home / 38,450.83-53,062.29-21,455.79

Finding the Fourth Proportional to 38,450.83, 53,062.29 and 21,455.79

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Solution

The fourth proportional to 38,450.83, 53,062.29 and 21,455.79 is: 29,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.83 : 53,062.29 = 21,455.79 : x
  2. Step 2: Convert to fraction form
    38,450.83/53,062.29 = 21,455.79/x
  3. Step 3: Cross multiply
    38,450.83x = 53,062.29 × 21,455.79
  4. Step 4: Simplify right side
    38,450.83x = 1,138,493,351.16
  5. Step 5: Solve for x
    x = 1,138,493,351.16/38,450.83
  6. Step 6: Final answer
    x = 29,609.07

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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.