Home / 39,876.98-59,852.46-20,169.50

Finding the Fourth Proportional to 39,876.98, 59,852.46 and 20,169.50

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Solution

The fourth proportional to 39,876.98, 59,852.46 and 20,169.50 is: 30,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.98 : 59,852.46 = 20,169.50 : x
  2. Step 2: Convert to fraction form
    39,876.98/59,852.46 = 20,169.50/x
  3. Step 3: Cross multiply
    39,876.98x = 59,852.46 × 20,169.50
  4. Step 4: Simplify right side
    39,876.98x = 1,207,194,191.97
  5. Step 5: Solve for x
    x = 1,207,194,191.97/39,876.98
  6. Step 6: Final answer
    x = 30,272.96

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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.