Home / 30,096.04-45,147.26-9,321.16

Finding the Fourth Proportional to 30,096.04, 45,147.26 and 9,321.16

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Solution

The fourth proportional to 30,096.04, 45,147.26 and 9,321.16 is: 13,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,096.04 : 45,147.26 = 9,321.16 : x
  2. Step 2: Convert to fraction form
    30,096.04/45,147.26 = 9,321.16/x
  3. Step 3: Cross multiply
    30,096.04x = 45,147.26 × 9,321.16
  4. Step 4: Simplify right side
    30,096.04x = 420,824,834.02
  5. Step 5: Solve for x
    x = 420,824,834.02/30,096.04
  6. Step 6: Final answer
    x = 13,982.73

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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.