Home / 49,579.60-68,403.20-28,343.84

Finding the Fourth Proportional to 49,579.60, 68,403.20 and 28,343.84

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Solution

The fourth proportional to 49,579.60, 68,403.20 and 28,343.84 is: 39,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.60 : 68,403.20 = 28,343.84 : x
  2. Step 2: Convert to fraction form
    49,579.60/68,403.20 = 28,343.84/x
  3. Step 3: Cross multiply
    49,579.60x = 68,403.20 × 28,343.84
  4. Step 4: Simplify right side
    49,579.60x = 1,938,809,356.29
  5. Step 5: Solve for x
    x = 1,938,809,356.29/49,579.60
  6. Step 6: Final answer
    x = 39,104.98

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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.