Home / 38,369.28-57,516.98-19,658.12

Finding the Fourth Proportional to 38,369.28, 57,516.98 and 19,658.12

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Solution

The fourth proportional to 38,369.28, 57,516.98 and 19,658.12 is: 29,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,369.28 : 57,516.98 = 19,658.12 : x
  2. Step 2: Convert to fraction form
    38,369.28/57,516.98 = 19,658.12/x
  3. Step 3: Cross multiply
    38,369.28x = 57,516.98 × 19,658.12
  4. Step 4: Simplify right side
    38,369.28x = 1,130,675,694.88
  5. Step 5: Solve for x
    x = 1,130,675,694.88/38,369.28
  6. Step 6: Final answer
    x = 29,468.25

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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.