Home / 43,048.91-64,586.13-20,576.41

Finding the Fourth Proportional to 43,048.91, 64,586.13 and 20,576.41

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Solution

The fourth proportional to 43,048.91, 64,586.13 and 20,576.41 is: 30,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,048.91 : 64,586.13 = 20,576.41 : x
  2. Step 2: Convert to fraction form
    43,048.91/64,586.13 = 20,576.41/x
  3. Step 3: Cross multiply
    43,048.91x = 64,586.13 × 20,576.41
  4. Step 4: Simplify right side
    43,048.91x = 1,328,950,452.57
  5. Step 5: Solve for x
    x = 1,328,950,452.57/43,048.91
  6. Step 6: Final answer
    x = 30,870.71

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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.