Home / 30,277.87-45,351.17-14,662.75

Finding the Fourth Proportional to 30,277.87, 45,351.17 and 14,662.75

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Solution

The fourth proportional to 30,277.87, 45,351.17 and 14,662.75 is: 21,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.87 : 45,351.17 = 14,662.75 : x
  2. Step 2: Convert to fraction form
    30,277.87/45,351.17 = 14,662.75/x
  3. Step 3: Cross multiply
    30,277.87x = 45,351.17 × 14,662.75
  4. Step 4: Simplify right side
    30,277.87x = 664,972,794.60
  5. Step 5: Solve for x
    x = 664,972,794.60/30,277.87
  6. Step 6: Final answer
    x = 21,962.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.