Home / 31,079.92-46,619.54-18,603.43

Finding the Fourth Proportional to 31,079.92, 46,619.54 and 18,603.43

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Solution

The fourth proportional to 31,079.92, 46,619.54 and 18,603.43 is: 27,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,079.92 : 46,619.54 = 18,603.43 : x
  2. Step 2: Convert to fraction form
    31,079.92/46,619.54 = 18,603.43/x
  3. Step 3: Cross multiply
    31,079.92x = 46,619.54 × 18,603.43
  4. Step 4: Simplify right side
    31,079.92x = 867,283,300.94
  5. Step 5: Solve for x
    x = 867,283,300.94/31,079.92
  6. Step 6: Final answer
    x = 27,904.94

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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.