Home / 31,203.38-46,809.49-10,136.68

Finding the Fourth Proportional to 31,203.38, 46,809.49 and 10,136.68

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Solution

The fourth proportional to 31,203.38, 46,809.49 and 10,136.68 is: 15,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.38 : 46,809.49 = 10,136.68 : x
  2. Step 2: Convert to fraction form
    31,203.38/46,809.49 = 10,136.68/x
  3. Step 3: Cross multiply
    31,203.38x = 46,809.49 × 10,136.68
  4. Step 4: Simplify right side
    31,203.38x = 474,492,821.09
  5. Step 5: Solve for x
    x = 474,492,821.09/31,203.38
  6. Step 6: Final answer
    x = 15,206.46

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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.