Home / 30,226.72-45,338.84-8,040.16

Finding the Fourth Proportional to 30,226.72, 45,338.84 and 8,040.16

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Solution

The fourth proportional to 30,226.72, 45,338.84 and 8,040.16 is: 12,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.72 : 45,338.84 = 8,040.16 : x
  2. Step 2: Convert to fraction form
    30,226.72/45,338.84 = 8,040.16/x
  3. Step 3: Cross multiply
    30,226.72x = 45,338.84 × 8,040.16
  4. Step 4: Simplify right side
    30,226.72x = 364,531,527.81
  5. Step 5: Solve for x
    x = 364,531,527.81/30,226.72
  6. Step 6: Final answer
    x = 12,059.91

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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.