Home / 55,431.94-76,496.04-29,938.32

Finding the Fourth Proportional to 55,431.94, 76,496.04 and 29,938.32

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Solution

The fourth proportional to 55,431.94, 76,496.04 and 29,938.32 is: 41,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,431.94 : 76,496.04 = 29,938.32 : x
  2. Step 2: Convert to fraction form
    55,431.94/76,496.04 = 29,938.32/x
  3. Step 3: Cross multiply
    55,431.94x = 76,496.04 × 29,938.32
  4. Step 4: Simplify right side
    55,431.94x = 2,290,162,924.25
  5. Step 5: Solve for x
    x = 2,290,162,924.25/55,431.94
  6. Step 6: Final answer
    x = 41,314.86

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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.