Home / 31,842.33-43,929.59-19,245.21

Finding the Fourth Proportional to 31,842.33, 43,929.59 and 19,245.21

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Solution

The fourth proportional to 31,842.33, 43,929.59 and 19,245.21 is: 26,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.33 : 43,929.59 = 19,245.21 : x
  2. Step 2: Convert to fraction form
    31,842.33/43,929.59 = 19,245.21/x
  3. Step 3: Cross multiply
    31,842.33x = 43,929.59 × 19,245.21
  4. Step 4: Simplify right side
    31,842.33x = 845,434,088.54
  5. Step 5: Solve for x
    x = 845,434,088.54/31,842.33
  6. Step 6: Final answer
    x = 26,550.64

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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.