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Finding the Fourth Proportional to 32,596.80, 48,866.40 and 19,435.20

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Solution

The fourth proportional to 32,596.80, 48,866.40 and 19,435.20 is: 29,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,596.80 : 48,866.40 = 19,435.20 : x
  2. Step 2: Convert to fraction form
    32,596.80/48,866.40 = 19,435.20/x
  3. Step 3: Cross multiply
    32,596.80x = 48,866.40 × 19,435.20
  4. Step 4: Simplify right side
    32,596.80x = 949,728,257.28
  5. Step 5: Solve for x
    x = 949,728,257.28/32,596.80
  6. Step 6: Final answer
    x = 29,135.63

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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.