Home / 55,329.75-76,355.06-30,179.25

Finding the Fourth Proportional to 55,329.75, 76,355.06 and 30,179.25

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Solution

The fourth proportional to 55,329.75, 76,355.06 and 30,179.25 is: 41,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,329.75 : 76,355.06 = 30,179.25 : x
  2. Step 2: Convert to fraction form
    55,329.75/76,355.06 = 30,179.25/x
  3. Step 3: Cross multiply
    55,329.75x = 76,355.06 × 30,179.25
  4. Step 4: Simplify right side
    55,329.75x = 2,304,338,293.61
  5. Step 5: Solve for x
    x = 2,304,338,293.61/55,329.75
  6. Step 6: Final answer
    x = 41,647.37

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1.5x scale

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.