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Finding the Fourth Proportional to 32,659.77, 48,967.77 and 15,120.03

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Solution

The fourth proportional to 32,659.77, 48,967.77 and 15,120.03 is: 22,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,659.77 : 48,967.77 = 15,120.03 : x
  2. Step 2: Convert to fraction form
    32,659.77/48,967.77 = 15,120.03/x
  3. Step 3: Cross multiply
    32,659.77x = 48,967.77 × 15,120.03
  4. Step 4: Simplify right side
    32,659.77x = 740,394,151.43
  5. Step 5: Solve for x
    x = 740,394,151.43/32,659.77
  6. Step 6: Final answer
    x = 22,669.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.