Home / 38,450.77-53,062.22-21,455.75

Finding the Fourth Proportional to 38,450.77, 53,062.22 and 21,455.75

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Solution

The fourth proportional to 38,450.77, 53,062.22 and 21,455.75 is: 29,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.77 : 53,062.22 = 21,455.75 : x
  2. Step 2: Convert to fraction form
    38,450.77/53,062.22 = 21,455.75/x
  3. Step 3: Cross multiply
    38,450.77x = 53,062.22 × 21,455.75
  4. Step 4: Simplify right side
    38,450.77x = 1,138,489,913.06
  5. Step 5: Solve for x
    x = 1,138,489,913.06/38,450.77
  6. Step 6: Final answer
    x = 29,609.03

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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.