Home / 49,641.42-68,503.41-28,405.65

Finding the Fourth Proportional to 49,641.42, 68,503.41 and 28,405.65

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Solution

The fourth proportional to 49,641.42, 68,503.41 and 28,405.65 is: 39,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,641.42 : 68,503.41 = 28,405.65 : x
  2. Step 2: Convert to fraction form
    49,641.42/68,503.41 = 28,405.65/x
  3. Step 3: Cross multiply
    49,641.42x = 68,503.41 × 28,405.65
  4. Step 4: Simplify right side
    49,641.42x = 1,945,883,888.27
  5. Step 5: Solve for x
    x = 1,945,883,888.27/49,641.42
  6. Step 6: Final answer
    x = 39,198.80

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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.