Home / 34,905.08-52,379.49-14,128.58

Finding the Fourth Proportional to 34,905.08, 52,379.49 and 14,128.58

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Solution

The fourth proportional to 34,905.08, 52,379.49 and 14,128.58 is: 21,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,905.08 : 52,379.49 = 14,128.58 : x
  2. Step 2: Convert to fraction form
    34,905.08/52,379.49 = 14,128.58/x
  3. Step 3: Cross multiply
    34,905.08x = 52,379.49 × 14,128.58
  4. Step 4: Simplify right side
    34,905.08x = 740,047,998.76
  5. Step 5: Solve for x
    x = 740,047,998.76/34,905.08
  6. Step 6: Final answer
    x = 21,201.73

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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.