Home / 49,705.44-68,595.40-28,488.80

Finding the Fourth Proportional to 49,705.44, 68,595.40 and 28,488.80

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Solution

The fourth proportional to 49,705.44, 68,595.40 and 28,488.80 is: 39,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,705.44 : 68,595.40 = 28,488.80 : x
  2. Step 2: Convert to fraction form
    49,705.44/68,595.40 = 28,488.80/x
  3. Step 3: Cross multiply
    49,705.44x = 68,595.40 × 28,488.80
  4. Step 4: Simplify right side
    49,705.44x = 1,954,200,631.52
  5. Step 5: Solve for x
    x = 1,954,200,631.52/49,705.44
  6. Step 6: Final answer
    x = 39,315.63

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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.