Home / 31,136.79-46,703.87-14,491.09

Finding the Fourth Proportional to 31,136.79, 46,703.87 and 14,491.09

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Solution

The fourth proportional to 31,136.79, 46,703.87 and 14,491.09 is: 21,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136.79 : 46,703.87 = 14,491.09 : x
  2. Step 2: Convert to fraction form
    31,136.79/46,703.87 = 14,491.09/x
  3. Step 3: Cross multiply
    31,136.79x = 46,703.87 × 14,491.09
  4. Step 4: Simplify right side
    31,136.79x = 676,789,983.52
  5. Step 5: Solve for x
    x = 676,789,983.52/31,136.79
  6. Step 6: Final answer
    x = 21,736.02

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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.