Home / 49,852.82-74,778.93-21,385.58

Finding the Fourth Proportional to 49,852.82, 74,778.93 and 21,385.58

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Solution

The fourth proportional to 49,852.82, 74,778.93 and 21,385.58 is: 32,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,852.82 : 74,778.93 = 21,385.58 : x
  2. Step 2: Convert to fraction form
    49,852.82/74,778.93 = 21,385.58/x
  3. Step 3: Cross multiply
    49,852.82x = 74,778.93 × 21,385.58
  4. Step 4: Simplify right side
    49,852.82x = 1,599,190,415.93
  5. Step 5: Solve for x
    x = 1,599,190,415.93/49,852.82
  6. Step 6: Final answer
    x = 32,078.23

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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.