Home / 49,172.45-67,847.81-28,750.58

Finding the Fourth Proportional to 49,172.45, 67,847.81 and 28,750.58

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Solution

The fourth proportional to 49,172.45, 67,847.81 and 28,750.58 is: 39,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172.45 : 67,847.81 = 28,750.58 : x
  2. Step 2: Convert to fraction form
    49,172.45/67,847.81 = 28,750.58/x
  3. Step 3: Cross multiply
    49,172.45x = 67,847.81 × 28,750.58
  4. Step 4: Simplify right side
    49,172.45x = 1,950,664,130.73
  5. Step 5: Solve for x
    x = 1,950,664,130.73/49,172.45
  6. Step 6: Final answer
    x = 39,669.86

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1.5x scale

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.