Home / 55,495.45-76,568.96-31,621.61

Finding the Fourth Proportional to 55,495.45, 76,568.96 and 31,621.61

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Solution

The fourth proportional to 55,495.45, 76,568.96 and 31,621.61 is: 43,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,495.45 : 76,568.96 = 31,621.61 : x
  2. Step 2: Convert to fraction form
    55,495.45/76,568.96 = 31,621.61/x
  3. Step 3: Cross multiply
    55,495.45x = 76,568.96 × 31,621.61
  4. Step 4: Simplify right side
    55,495.45x = 2,421,233,791.23
  5. Step 5: Solve for x
    x = 2,421,233,791.23/55,495.45
  6. Step 6: Final answer
    x = 43,629.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.