Home / 39,340.25-58,970.36-15,664.56

Finding the Fourth Proportional to 39,340.25, 58,970.36 and 15,664.56

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Solution

The fourth proportional to 39,340.25, 58,970.36 and 15,664.56 is: 23,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,340.25 : 58,970.36 = 15,664.56 : x
  2. Step 2: Convert to fraction form
    39,340.25/58,970.36 = 15,664.56/x
  3. Step 3: Cross multiply
    39,340.25x = 58,970.36 × 15,664.56
  4. Step 4: Simplify right side
    39,340.25x = 923,744,560.46
  5. Step 5: Solve for x
    x = 923,744,560.46/39,340.25
  6. Step 6: Final answer
    x = 23,480.90

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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.