Home / 39,043.22-58,571.31-15,656.90

Finding the Fourth Proportional to 39,043.22, 58,571.31 and 15,656.90

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Solution

The fourth proportional to 39,043.22, 58,571.31 and 15,656.90 is: 23,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,043.22 : 58,571.31 = 15,656.90 : x
  2. Step 2: Convert to fraction form
    39,043.22/58,571.31 = 15,656.90/x
  3. Step 3: Cross multiply
    39,043.22x = 58,571.31 × 15,656.90
  4. Step 4: Simplify right side
    39,043.22x = 917,045,143.54
  5. Step 5: Solve for x
    x = 917,045,143.54/39,043.22
  6. Step 6: Final answer
    x = 23,487.95

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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.