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Finding the Fourth Proportional to 32,521, 44,861.70 and 21,892.52

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Solution

The fourth proportional to 32,521, 44,861.70 and 21,892.52 is: 30,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,521 : 44,861.70 = 21,892.52 : x
  2. Step 2: Convert to fraction form
    32,521/44,861.70 = 21,892.52/x
  3. Step 3: Cross multiply
    32,521x = 44,861.70 × 21,892.52
  4. Step 4: Simplify right side
    32,521x = 982,135,664.48
  5. Step 5: Solve for x
    x = 982,135,664.48/32,521
  6. Step 6: Final answer
    x = 30,200.05

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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.