Home / 32,442.12-48,639.82-19,936.31

Finding the Fourth Proportional to 32,442.12, 48,639.82 and 19,936.31

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Solution

The fourth proportional to 32,442.12, 48,639.82 and 19,936.31 is: 29,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,442.12 : 48,639.82 = 19,936.31 : x
  2. Step 2: Convert to fraction form
    32,442.12/48,639.82 = 19,936.31/x
  3. Step 3: Cross multiply
    32,442.12x = 48,639.82 × 19,936.31
  4. Step 4: Simplify right side
    32,442.12x = 969,698,529.86
  5. Step 5: Solve for x
    x = 969,698,529.86/32,442.12
  6. Step 6: Final answer
    x = 29,890.11

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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.