Home / 31,592.71-43,578.03-20,250.51

Finding the Fourth Proportional to 31,592.71, 43,578.03 and 20,250.51

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Solution

The fourth proportional to 31,592.71, 43,578.03 and 20,250.51 is: 27,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592.71 : 43,578.03 = 20,250.51 : x
  2. Step 2: Convert to fraction form
    31,592.71/43,578.03 = 20,250.51/x
  3. Step 3: Cross multiply
    31,592.71x = 43,578.03 × 20,250.51
  4. Step 4: Simplify right side
    31,592.71x = 882,477,332.30
  5. Step 5: Solve for x
    x = 882,477,332.30/31,592.71
  6. Step 6: Final answer
    x = 27,932.94

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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.