Home / 30,096.42-45,151.86-9,319.92

Finding the Fourth Proportional to 30,096.42, 45,151.86 and 9,319.92

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Solution

The fourth proportional to 30,096.42, 45,151.86 and 9,319.92 is: 13,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,096.42 : 45,151.86 = 9,319.92 : x
  2. Step 2: Convert to fraction form
    30,096.42/45,151.86 = 9,319.92/x
  3. Step 3: Cross multiply
    30,096.42x = 45,151.86 × 9,319.92
  4. Step 4: Simplify right side
    30,096.42x = 420,811,723.05
  5. Step 5: Solve for x
    x = 420,811,723.05/30,096.42
  6. Step 6: Final answer
    x = 13,982.12

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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.