Home / 31,467.14-43,424.79-18,039.17

Finding the Fourth Proportional to 31,467.14, 43,424.79 and 18,039.17

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Solution

The fourth proportional to 31,467.14, 43,424.79 and 18,039.17 is: 24,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.14 : 43,424.79 = 18,039.17 : x
  2. Step 2: Convert to fraction form
    31,467.14/43,424.79 = 18,039.17/x
  3. Step 3: Cross multiply
    31,467.14x = 43,424.79 × 18,039.17
  4. Step 4: Simplify right side
    31,467.14x = 783,347,169.02
  5. Step 5: Solve for x
    x = 783,347,169.02/31,467.14
  6. Step 6: Final answer
    x = 24,894.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.