Home / 34,188.89-51,276.81-14,481.28

Finding the Fourth Proportional to 34,188.89, 51,276.81 and 14,481.28

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Solution

The fourth proportional to 34,188.89, 51,276.81 and 14,481.28 is: 21,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,188.89 : 51,276.81 = 14,481.28 : x
  2. Step 2: Convert to fraction form
    34,188.89/51,276.81 = 14,481.28/x
  3. Step 3: Cross multiply
    34,188.89x = 51,276.81 × 14,481.28
  4. Step 4: Simplify right side
    34,188.89x = 742,553,961.52
  5. Step 5: Solve for x
    x = 742,553,961.52/34,188.89
  6. Step 6: Final answer
    x = 21,719.16

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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.