Home / 39,093.43-58,721.38-31,605.45

Finding the Fourth Proportional to 39,093.43, 58,721.38 and 31,605.45

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Solution

The fourth proportional to 39,093.43, 58,721.38 and 31,605.45 is: 47,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,093.43 : 58,721.38 = 31,605.45 : x
  2. Step 2: Convert to fraction form
    39,093.43/58,721.38 = 31,605.45/x
  3. Step 3: Cross multiply
    39,093.43x = 58,721.38 × 31,605.45
  4. Step 4: Simplify right side
    39,093.43x = 1,855,915,560.51
  5. Step 5: Solve for x
    x = 1,855,915,560.51/39,093.43
  6. Step 6: Final answer
    x = 47,473.85

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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.