Home / 49,579.60-68,424.60-28,354.72

Finding the Fourth Proportional to 49,579.60, 68,424.60 and 28,354.72

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Solution

The fourth proportional to 49,579.60, 68,424.60 and 28,354.72 is: 39,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.60 : 68,424.60 = 28,354.72 : x
  2. Step 2: Convert to fraction form
    49,579.60/68,424.60 = 28,354.72/x
  3. Step 3: Cross multiply
    49,579.60x = 68,424.60 × 28,354.72
  4. Step 4: Simplify right side
    49,579.60x = 1,940,160,374.11
  5. Step 5: Solve for x
    x = 1,940,160,374.11/49,579.60
  6. Step 6: Final answer
    x = 39,132.23

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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.