Home / 55,361.46-76,398.57-31,487.94

Finding the Fourth Proportional to 55,361.46, 76,398.57 and 31,487.94

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Solution

The fourth proportional to 55,361.46, 76,398.57 and 31,487.94 is: 43,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361.46 : 76,398.57 = 31,487.94 : x
  2. Step 2: Convert to fraction form
    55,361.46/76,398.57 = 31,487.94/x
  3. Step 3: Cross multiply
    55,361.46x = 76,398.57 × 31,487.94
  4. Step 4: Simplify right side
    55,361.46x = 2,405,633,588.25
  5. Step 5: Solve for x
    x = 2,405,633,588.25/55,361.46
  6. Step 6: Final answer
    x = 43,453.22

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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.