Home / 49,062.48-67,683.60-28,905.63

Finding the Fourth Proportional to 49,062.48, 67,683.60 and 28,905.63

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Solution

The fourth proportional to 49,062.48, 67,683.60 and 28,905.63 is: 39,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,062.48 : 67,683.60 = 28,905.63 : x
  2. Step 2: Convert to fraction form
    49,062.48/67,683.60 = 28,905.63/x
  3. Step 3: Cross multiply
    49,062.48x = 67,683.60 × 28,905.63
  4. Step 4: Simplify right side
    49,062.48x = 1,956,436,844.85
  5. Step 5: Solve for x
    x = 1,956,436,844.85/49,062.48
  6. Step 6: Final answer
    x = 39,876.44

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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.