Home / 30,289.85-45,436.32-9,228.25

Finding the Fourth Proportional to 30,289.85, 45,436.32 and 9,228.25

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Solution

The fourth proportional to 30,289.85, 45,436.32 and 9,228.25 is: 13,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.85 : 45,436.32 = 9,228.25 : x
  2. Step 2: Convert to fraction form
    30,289.85/45,436.32 = 9,228.25/x
  3. Step 3: Cross multiply
    30,289.85x = 45,436.32 × 9,228.25
  4. Step 4: Simplify right side
    30,289.85x = 419,297,720.04
  5. Step 5: Solve for x
    x = 419,297,720.04/30,289.85
  6. Step 6: Final answer
    x = 13,842.85

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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.