Home / 39,343.80-59,022.90-15,972.60

Finding the Fourth Proportional to 39,343.80, 59,022.90 and 15,972.60

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Solution

The fourth proportional to 39,343.80, 59,022.90 and 15,972.60 is: 23,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.80 : 59,022.90 = 15,972.60 : x
  2. Step 2: Convert to fraction form
    39,343.80/59,022.90 = 15,972.60/x
  3. Step 3: Cross multiply
    39,343.80x = 59,022.90 × 15,972.60
  4. Step 4: Simplify right side
    39,343.80x = 942,749,172.54
  5. Step 5: Solve for x
    x = 942,749,172.54/39,343.80
  6. Step 6: Final answer
    x = 23,961.82

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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.