Home / 51,577.77-71,180.73-28,918.25

Finding the Fourth Proportional to 51,577.77, 71,180.73 and 28,918.25

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Solution

The fourth proportional to 51,577.77, 71,180.73 and 28,918.25 is: 39,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,577.77 : 71,180.73 = 28,918.25 : x
  2. Step 2: Convert to fraction form
    51,577.77/71,180.73 = 28,918.25/x
  3. Step 3: Cross multiply
    51,577.77x = 71,180.73 × 28,918.25
  4. Step 4: Simplify right side
    51,577.77x = 2,058,422,056.35
  5. Step 5: Solve for x
    x = 2,058,422,056.35/51,577.77
  6. Step 6: Final answer
    x = 39,909.09

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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.