Home / 55,441.75-76,509.62-30,291.43

Finding the Fourth Proportional to 55,441.75, 76,509.62 and 30,291.43

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Solution

The fourth proportional to 55,441.75, 76,509.62 and 30,291.43 is: 41,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.75 : 76,509.62 = 30,291.43 : x
  2. Step 2: Convert to fraction form
    55,441.75/76,509.62 = 30,291.43/x
  3. Step 3: Cross multiply
    55,441.75x = 76,509.62 × 30,291.43
  4. Step 4: Simplify right side
    55,441.75x = 2,317,585,647.10
  5. Step 5: Solve for x
    x = 2,317,585,647.10/55,441.75
  6. Step 6: Final answer
    x = 41,802.17

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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.