Home / 39,216.57-58,828.38-11,136.90

Finding the Fourth Proportional to 39,216.57, 58,828.38 and 11,136.90

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Solution

The fourth proportional to 39,216.57, 58,828.38 and 11,136.90 is: 16,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.57 : 58,828.38 = 11,136.90 : x
  2. Step 2: Convert to fraction form
    39,216.57/58,828.38 = 11,136.90/x
  3. Step 3: Cross multiply
    39,216.57x = 58,828.38 × 11,136.90
  4. Step 4: Simplify right side
    39,216.57x = 655,165,785.22
  5. Step 5: Solve for x
    x = 655,165,785.22/39,216.57
  6. Step 6: Final answer
    x = 16,706.35

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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.