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Finding the Fourth Proportional to 32,323, 44,606.28 and 21,145

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Solution

The fourth proportional to 32,323, 44,606.28 and 21,145 is: 29,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,323 : 44,606.28 = 21,145 : x
  2. Step 2: Convert to fraction form
    32,323/44,606.28 = 21,145/x
  3. Step 3: Cross multiply
    32,323x = 44,606.28 × 21,145
  4. Step 4: Simplify right side
    32,323x = 943,199,790.60
  5. Step 5: Solve for x
    x = 943,199,790.60/32,323
  6. Step 6: Final answer
    x = 29,180.45

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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.