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Finding the Fourth Proportional to 34,136.01, 51,227.24 and 20,948.13

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Solution

The fourth proportional to 34,136.01, 51,227.24 and 20,948.13 is: 31,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.01 : 51,227.24 = 20,948.13 : x
  2. Step 2: Convert to fraction form
    34,136.01/51,227.24 = 20,948.13/x
  3. Step 3: Cross multiply
    34,136.01x = 51,227.24 × 20,948.13
  4. Step 4: Simplify right side
    34,136.01x = 1,073,114,778.32
  5. Step 5: Solve for x
    x = 1,073,114,778.32/34,136.01
  6. Step 6: Final answer
    x = 31,436.44

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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.