Home / 31,322.69-46,983.12-11,600.81

Finding the Fourth Proportional to 31,322.69, 46,983.12 and 11,600.81

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Solution

The fourth proportional to 31,322.69, 46,983.12 and 11,600.81 is: 17,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322.69 : 46,983.12 = 11,600.81 : x
  2. Step 2: Convert to fraction form
    31,322.69/46,983.12 = 11,600.81/x
  3. Step 3: Cross multiply
    31,322.69x = 46,983.12 × 11,600.81
  4. Step 4: Simplify right side
    31,322.69x = 545,042,248.33
  5. Step 5: Solve for x
    x = 545,042,248.33/31,322.69
  6. Step 6: Final answer
    x = 17,400.88

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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.