Home / 54,211.65-81,321.60-16,775.51

Finding the Fourth Proportional to 54,211.65, 81,321.60 and 16,775.51

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Solution

The fourth proportional to 54,211.65, 81,321.60 and 16,775.51 is: 25,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.65 : 81,321.60 = 16,775.51 : x
  2. Step 2: Convert to fraction form
    54,211.65/81,321.60 = 16,775.51/x
  3. Step 3: Cross multiply
    54,211.65x = 81,321.60 × 16,775.51
  4. Step 4: Simplify right side
    54,211.65x = 1,364,211,514.92
  5. Step 5: Solve for x
    x = 1,364,211,514.92/54,211.65
  6. Step 6: Final answer
    x = 25,164.54

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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.