Home / 29,009.15-43,516.77-12,370.94

Finding the Fourth Proportional to 29,009.15, 43,516.77 and 12,370.94

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Solution

The fourth proportional to 29,009.15, 43,516.77 and 12,370.94 is: 18,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.15 : 43,516.77 = 12,370.94 : x
  2. Step 2: Convert to fraction form
    29,009.15/43,516.77 = 12,370.94/x
  3. Step 3: Cross multiply
    29,009.15x = 43,516.77 × 12,370.94
  4. Step 4: Simplify right side
    29,009.15x = 538,343,288.81
  5. Step 5: Solve for x
    x = 538,343,288.81/29,009.15
  6. Step 6: Final answer
    x = 18,557.71

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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.