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Finding the Fourth Proportional to 32,736.63, 45,174.42 and 19,304.80

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Solution

The fourth proportional to 32,736.63, 45,174.42 and 19,304.80 is: 26,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,736.63 : 45,174.42 = 19,304.80 : x
  2. Step 2: Convert to fraction form
    32,736.63/45,174.42 = 19,304.80/x
  3. Step 3: Cross multiply
    32,736.63x = 45,174.42 × 19,304.80
  4. Step 4: Simplify right side
    32,736.63x = 872,083,143.22
  5. Step 5: Solve for x
    x = 872,083,143.22/32,736.63
  6. Step 6: Final answer
    x = 26,639.37

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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.