Home / 48,790.96-73,136.16-19,196.80

Finding the Fourth Proportional to 48,790.96, 73,136.16 and 19,196.80

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Solution

The fourth proportional to 48,790.96, 73,136.16 and 19,196.80 is: 28,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,790.96 : 73,136.16 = 19,196.80 : x
  2. Step 2: Convert to fraction form
    48,790.96/73,136.16 = 19,196.80/x
  3. Step 3: Cross multiply
    48,790.96x = 73,136.16 × 19,196.80
  4. Step 4: Simplify right side
    48,790.96x = 1,403,980,236.29
  5. Step 5: Solve for x
    x = 1,403,980,236.29/48,790.96
  6. Step 6: Final answer
    x = 28,775.42

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1.5x scale

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.