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Finding the Fourth Proportional to 55,136.30, 82,741.30 and 19,596.20

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Solution

The fourth proportional to 55,136.30, 82,741.30 and 19,596.20 is: 29,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,136.30 : 82,741.30 = 19,596.20 : x
  2. Step 2: Convert to fraction form
    55,136.30/82,741.30 = 19,596.20/x
  3. Step 3: Cross multiply
    55,136.30x = 82,741.30 × 19,596.20
  4. Step 4: Simplify right side
    55,136.30x = 1,621,414,600.36
  5. Step 5: Solve for x
    x = 1,621,414,600.36/55,136.30
  6. Step 6: Final answer
    x = 29,407.39

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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.