Home / 36,921.06-55,430.82-31,409.82

Finding the Fourth Proportional to 36,921.06, 55,430.82 and 31,409.82

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Solution

The fourth proportional to 36,921.06, 55,430.82 and 31,409.82 is: 47,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.06 : 55,430.82 = 31,409.82 : x
  2. Step 2: Convert to fraction form
    36,921.06/55,430.82 = 31,409.82/x
  3. Step 3: Cross multiply
    36,921.06x = 55,430.82 × 31,409.82
  4. Step 4: Simplify right side
    36,921.06x = 1,741,072,078.65
  5. Step 5: Solve for x
    x = 1,741,072,078.65/36,921.06
  6. Step 6: Final answer
    x = 47,156.61

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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.