Home / 57,374.21-86,048.31-21,822.80

Finding the Fourth Proportional to 57,374.21, 86,048.31 and 21,822.80

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Solution

The fourth proportional to 57,374.21, 86,048.31 and 21,822.80 is: 32,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,374.21 : 86,048.31 = 21,822.80 : x
  2. Step 2: Convert to fraction form
    57,374.21/86,048.31 = 21,822.80/x
  3. Step 3: Cross multiply
    57,374.21x = 86,048.31 × 21,822.80
  4. Step 4: Simplify right side
    57,374.21x = 1,877,815,059.47
  5. Step 5: Solve for x
    x = 1,877,815,059.47/57,374.21
  6. Step 6: Final answer
    x = 32,729.25

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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.