Home / 49,201.30-73,838.40-19,640.35

Finding the Fourth Proportional to 49,201.30, 73,838.40 and 19,640.35

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Solution

The fourth proportional to 49,201.30, 73,838.40 and 19,640.35 is: 29,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,201.30 : 73,838.40 = 19,640.35 : x
  2. Step 2: Convert to fraction form
    49,201.30/73,838.40 = 19,640.35/x
  3. Step 3: Cross multiply
    49,201.30x = 73,838.40 × 19,640.35
  4. Step 4: Simplify right side
    49,201.30x = 1,450,212,019.44
  5. Step 5: Solve for x
    x = 1,450,212,019.44/49,201.30
  6. Step 6: Final answer
    x = 29,475.08

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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.