Home / 29,669.86-44,504.97-12,139.68

Finding the Fourth Proportional to 29,669.86, 44,504.97 and 12,139.68

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Solution

The fourth proportional to 29,669.86, 44,504.97 and 12,139.68 is: 18,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,669.86 : 44,504.97 = 12,139.68 : x
  2. Step 2: Convert to fraction form
    29,669.86/44,504.97 = 12,139.68/x
  3. Step 3: Cross multiply
    29,669.86x = 44,504.97 × 12,139.68
  4. Step 4: Simplify right side
    29,669.86x = 540,276,215.58
  5. Step 5: Solve for x
    x = 540,276,215.58/29,669.86
  6. Step 6: Final answer
    x = 18,209.60

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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.