Home / 39,516.12-59,265.30-11,429.91

Finding the Fourth Proportional to 39,516.12, 59,265.30 and 11,429.91

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Solution

The fourth proportional to 39,516.12, 59,265.30 and 11,429.91 is: 17,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.12 : 59,265.30 = 11,429.91 : x
  2. Step 2: Convert to fraction form
    39,516.12/59,265.30 = 11,429.91/x
  3. Step 3: Cross multiply
    39,516.12x = 59,265.30 × 11,429.91
  4. Step 4: Simplify right side
    39,516.12x = 677,397,045.12
  5. Step 5: Solve for x
    x = 677,397,045.12/39,516.12
  6. Step 6: Final answer
    x = 17,142.30

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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.