Home / 49,374.21-68,134.73-28,160.31

Finding the Fourth Proportional to 49,374.21, 68,134.73 and 28,160.31

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Solution

The fourth proportional to 49,374.21, 68,134.73 and 28,160.31 is: 38,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,374.21 : 68,134.73 = 28,160.31 : x
  2. Step 2: Convert to fraction form
    49,374.21/68,134.73 = 28,160.31/x
  3. Step 3: Cross multiply
    49,374.21x = 68,134.73 × 28,160.31
  4. Step 4: Simplify right side
    49,374.21x = 1,918,694,977.76
  5. Step 5: Solve for x
    x = 1,918,694,977.76/49,374.21
  6. Step 6: Final answer
    x = 38,860.27

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1.5x scale

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.