Home / 29,431.28-44,145.92-12,791.30

Finding the Fourth Proportional to 29,431.28, 44,145.92 and 12,791.30

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Solution

The fourth proportional to 29,431.28, 44,145.92 and 12,791.30 is: 19,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,431.28 : 44,145.92 = 12,791.30 : x
  2. Step 2: Convert to fraction form
    29,431.28/44,145.92 = 12,791.30/x
  3. Step 3: Cross multiply
    29,431.28x = 44,145.92 × 12,791.30
  4. Step 4: Simplify right side
    29,431.28x = 564,683,706.50
  5. Step 5: Solve for x
    x = 564,683,706.50/29,431.28
  6. Step 6: Final answer
    x = 19,186.52

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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.