Home / 51,042.92-76,564.38-15,985.31

Finding the Fourth Proportional to 51,042.92, 76,564.38 and 15,985.31

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Solution

The fourth proportional to 51,042.92, 76,564.38 and 15,985.31 is: 23,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,042.92 : 76,564.38 = 15,985.31 : x
  2. Step 2: Convert to fraction form
    51,042.92/76,564.38 = 15,985.31/x
  3. Step 3: Cross multiply
    51,042.92x = 76,564.38 × 15,985.31
  4. Step 4: Simplify right side
    51,042.92x = 1,223,905,349.26
  5. Step 5: Solve for x
    x = 1,223,905,349.26/51,042.92
  6. Step 6: Final answer
    x = 23,977.97

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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.