Home / 51,573.58-71,177.44-28,918.69

Finding the Fourth Proportional to 51,573.58, 71,177.44 and 28,918.69

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Solution

The fourth proportional to 51,573.58, 71,177.44 and 28,918.69 is: 39,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,573.58 : 71,177.44 = 28,918.69 : x
  2. Step 2: Convert to fraction form
    51,573.58/71,177.44 = 28,918.69/x
  3. Step 3: Cross multiply
    51,573.58x = 71,177.44 × 28,918.69
  4. Step 4: Simplify right side
    51,573.58x = 2,058,358,072.11
  5. Step 5: Solve for x
    x = 2,058,358,072.11/51,573.58
  6. Step 6: Final answer
    x = 39,911.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.