Home / 32,871.30-45,366.39-18,533.90

Finding the Fourth Proportional to 32,871.30, 45,366.39 and 18,533.90

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Solution

The fourth proportional to 32,871.30, 45,366.39 and 18,533.90 is: 25,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,871.30 : 45,366.39 = 18,533.90 : x
  2. Step 2: Convert to fraction form
    32,871.30/45,366.39 = 18,533.90/x
  3. Step 3: Cross multiply
    32,871.30x = 45,366.39 × 18,533.90
  4. Step 4: Simplify right side
    32,871.30x = 840,816,135.62
  5. Step 5: Solve for x
    x = 840,816,135.62/32,871.30
  6. Step 6: Final answer
    x = 25,579.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.