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Finding the Fourth Proportional to 32,360.80, 44,660.64 and 18,939.28

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Solution

The fourth proportional to 32,360.80, 44,660.64 and 18,939.28 is: 26,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,360.80 : 44,660.64 = 18,939.28 : x
  2. Step 2: Convert to fraction form
    32,360.80/44,660.64 = 18,939.28/x
  3. Step 3: Cross multiply
    32,360.80x = 44,660.64 × 18,939.28
  4. Step 4: Simplify right side
    32,360.80x = 845,840,365.94
  5. Step 5: Solve for x
    x = 845,840,365.94/32,360.80
  6. Step 6: Final answer
    x = 26,137.81

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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.