Home / 32,311.08-48,467.10-21,288.36

Finding the Fourth Proportional to 32,311.08, 48,467.10 and 21,288.36

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Solution

The fourth proportional to 32,311.08, 48,467.10 and 21,288.36 is: 31,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,311.08 : 48,467.10 = 21,288.36 : x
  2. Step 2: Convert to fraction form
    32,311.08/48,467.10 = 21,288.36/x
  3. Step 3: Cross multiply
    32,311.08x = 48,467.10 × 21,288.36
  4. Step 4: Simplify right side
    32,311.08x = 1,031,785,072.96
  5. Step 5: Solve for x
    x = 1,031,785,072.96/32,311.08
  6. Step 6: Final answer
    x = 31,932.86

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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.