Home / 56,222.32-84,305.94-18,769.54

Finding the Fourth Proportional to 56,222.32, 84,305.94 and 18,769.54

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Solution

The fourth proportional to 56,222.32, 84,305.94 and 18,769.54 is: 28,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,222.32 : 84,305.94 = 18,769.54 : x
  2. Step 2: Convert to fraction form
    56,222.32/84,305.94 = 18,769.54/x
  3. Step 3: Cross multiply
    56,222.32x = 84,305.94 × 18,769.54
  4. Step 4: Simplify right side
    56,222.32x = 1,582,383,713.07
  5. Step 5: Solve for x
    x = 1,582,383,713.07/56,222.32
  6. Step 6: Final answer
    x = 28,145.12

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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.