Home / 58,577.43-87,867.24-21,140.31

Finding the Fourth Proportional to 58,577.43, 87,867.24 and 21,140.31

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Solution

The fourth proportional to 58,577.43, 87,867.24 and 21,140.31 is: 31,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,577.43 : 87,867.24 = 21,140.31 : x
  2. Step 2: Convert to fraction form
    58,577.43/87,867.24 = 21,140.31/x
  3. Step 3: Cross multiply
    58,577.43x = 87,867.24 × 21,140.31
  4. Step 4: Simplify right side
    58,577.43x = 1,857,540,692.44
  5. Step 5: Solve for x
    x = 1,857,540,692.44/58,577.43
  6. Step 6: Final answer
    x = 31,710.86

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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.