Home / 58,584.21-87,858.15-21,139.44

Finding the Fourth Proportional to 58,584.21, 87,858.15 and 21,139.44

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Solution

The fourth proportional to 58,584.21, 87,858.15 and 21,139.44 is: 31,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,584.21 : 87,858.15 = 21,139.44 : x
  2. Step 2: Convert to fraction form
    58,584.21/87,858.15 = 21,139.44/x
  3. Step 3: Cross multiply
    58,584.21x = 87,858.15 × 21,139.44
  4. Step 4: Simplify right side
    58,584.21x = 1,857,272,090.44
  5. Step 5: Solve for x
    x = 1,857,272,090.44/58,584.21
  6. Step 6: Final answer
    x = 31,702.61

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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.