Home / 30,079.37-45,104.87-9,011.27

Finding the Fourth Proportional to 30,079.37, 45,104.87 and 9,011.27

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Solution

The fourth proportional to 30,079.37, 45,104.87 and 9,011.27 is: 13,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.37 : 45,104.87 = 9,011.27 : x
  2. Step 2: Convert to fraction form
    30,079.37/45,104.87 = 9,011.27/x
  3. Step 3: Cross multiply
    30,079.37x = 45,104.87 × 9,011.27
  4. Step 4: Simplify right side
    30,079.37x = 406,451,891.30
  5. Step 5: Solve for x
    x = 406,451,891.30/30,079.37
  6. Step 6: Final answer
    x = 13,512.65

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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.