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Finding the Fourth Proportional to 32,544.80, 44,905.20 and 19,118.24

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Solution

The fourth proportional to 32,544.80, 44,905.20 and 19,118.24 is: 26,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,544.80 : 44,905.20 = 19,118.24 : x
  2. Step 2: Convert to fraction form
    32,544.80/44,905.20 = 19,118.24/x
  3. Step 3: Cross multiply
    32,544.80x = 44,905.20 × 19,118.24
  4. Step 4: Simplify right side
    32,544.80x = 858,508,390.85
  5. Step 5: Solve for x
    x = 858,508,390.85/32,544.80
  6. Step 6: Final answer
    x = 26,379.28

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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.