Home / 41,977.31-57,909.96-28,360.98

Finding the Fourth Proportional to 41,977.31, 57,909.96 and 28,360.98

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Solution

The fourth proportional to 41,977.31, 57,909.96 and 28,360.98 is: 39,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,977.31 : 57,909.96 = 28,360.98 : x
  2. Step 2: Convert to fraction form
    41,977.31/57,909.96 = 28,360.98/x
  3. Step 3: Cross multiply
    41,977.31x = 57,909.96 × 28,360.98
  4. Step 4: Simplify right side
    41,977.31x = 1,642,383,217.36
  5. Step 5: Solve for x
    x = 1,642,383,217.36/41,977.31
  6. Step 6: Final answer
    x = 39,125.50

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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.