Home / 51,237.44-76,879.92-21,662.18

Finding the Fourth Proportional to 51,237.44, 76,879.92 and 21,662.18

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Solution

The fourth proportional to 51,237.44, 76,879.92 and 21,662.18 is: 32,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,237.44 : 76,879.92 = 21,662.18 : x
  2. Step 2: Convert to fraction form
    51,237.44/76,879.92 = 21,662.18/x
  3. Step 3: Cross multiply
    51,237.44x = 76,879.92 × 21,662.18
  4. Step 4: Simplify right side
    51,237.44x = 1,665,386,665.43
  5. Step 5: Solve for x
    x = 1,665,386,665.43/51,237.44
  6. Step 6: Final answer
    x = 32,503.32

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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.