Home / 34,156.96-47,136.88-19,049.12

Finding the Fourth Proportional to 34,156.96, 47,136.88 and 19,049.12

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Solution

The fourth proportional to 34,156.96, 47,136.88 and 19,049.12 is: 26,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,156.96 : 47,136.88 = 19,049.12 : x
  2. Step 2: Convert to fraction form
    34,156.96/47,136.88 = 19,049.12/x
  3. Step 3: Cross multiply
    34,156.96x = 47,136.88 × 19,049.12
  4. Step 4: Simplify right side
    34,156.96x = 897,916,083.55
  5. Step 5: Solve for x
    x = 897,916,083.55/34,156.96
  6. Step 6: Final answer
    x = 26,287.94

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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.