Home / 49,285.48-73,980.83-21,219.43

Finding the Fourth Proportional to 49,285.48, 73,980.83 and 21,219.43

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Solution

The fourth proportional to 49,285.48, 73,980.83 and 21,219.43 is: 31,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,285.48 : 73,980.83 = 21,219.43 : x
  2. Step 2: Convert to fraction form
    49,285.48/73,980.83 = 21,219.43/x
  3. Step 3: Cross multiply
    49,285.48x = 73,980.83 × 21,219.43
  4. Step 4: Simplify right side
    49,285.48x = 1,569,831,043.53
  5. Step 5: Solve for x
    x = 1,569,831,043.53/49,285.48
  6. Step 6: Final answer
    x = 31,851.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.