Home / 32,171.20-44,340.81-21,396.80

Finding the Fourth Proportional to 32,171.20, 44,340.81 and 21,396.80

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Solution

The fourth proportional to 32,171.20, 44,340.81 and 21,396.80 is: 29,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,171.20 : 44,340.81 = 21,396.80 : x
  2. Step 2: Convert to fraction form
    32,171.20/44,340.81 = 21,396.80/x
  3. Step 3: Cross multiply
    32,171.20x = 44,340.81 × 21,396.80
  4. Step 4: Simplify right side
    32,171.20x = 948,751,474.02
  5. Step 5: Solve for x
    x = 948,751,474.02/32,171.20
  6. Step 6: Final answer
    x = 29,490.71

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1.5x scale

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.