Home / 30,576.99-45,872.37-10,855.52

Finding the Fourth Proportional to 30,576.99, 45,872.37 and 10,855.52

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Solution

The fourth proportional to 30,576.99, 45,872.37 and 10,855.52 is: 16,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.99 : 45,872.37 = 10,855.52 : x
  2. Step 2: Convert to fraction form
    30,576.99/45,872.37 = 10,855.52/x
  3. Step 3: Cross multiply
    30,576.99x = 45,872.37 × 10,855.52
  4. Step 4: Simplify right side
    30,576.99x = 497,968,429.98
  5. Step 5: Solve for x
    x = 497,968,429.98/30,576.99
  6. Step 6: Final answer
    x = 16,285.72

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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.