Home / 49,865.09-68,813.82-28,644.35

Finding the Fourth Proportional to 49,865.09, 68,813.82 and 28,644.35

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Solution

The fourth proportional to 49,865.09, 68,813.82 and 28,644.35 is: 39,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,865.09 : 68,813.82 = 28,644.35 : x
  2. Step 2: Convert to fraction form
    49,865.09/68,813.82 = 28,644.35/x
  3. Step 3: Cross multiply
    49,865.09x = 68,813.82 × 28,644.35
  4. Step 4: Simplify right side
    49,865.09x = 1,971,126,800.85
  5. Step 5: Solve for x
    x = 1,971,126,800.85/49,865.09
  6. Step 6: Final answer
    x = 39,529.20

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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.