Home / 34,054.80-51,081.96-20,161.68

Finding the Fourth Proportional to 34,054.80, 51,081.96 and 20,161.68

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Solution

The fourth proportional to 34,054.80, 51,081.96 and 20,161.68 is: 30,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,054.80 : 51,081.96 = 20,161.68 : x
  2. Step 2: Convert to fraction form
    34,054.80/51,081.96 = 20,161.68/x
  3. Step 3: Cross multiply
    34,054.80x = 51,081.96 × 20,161.68
  4. Step 4: Simplify right side
    34,054.80x = 1,029,898,131.29
  5. Step 5: Solve for x
    x = 1,029,898,131.29/34,054.80
  6. Step 6: Final answer
    x = 30,242.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.