Home / 52,014.43-78,021.66-12,571.54

Finding the Fourth Proportional to 52,014.43, 78,021.66 and 12,571.54

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Solution

The fourth proportional to 52,014.43, 78,021.66 and 12,571.54 is: 18,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,014.43 : 78,021.66 = 12,571.54 : x
  2. Step 2: Convert to fraction form
    52,014.43/78,021.66 = 12,571.54/x
  3. Step 3: Cross multiply
    52,014.43x = 78,021.66 × 12,571.54
  4. Step 4: Simplify right side
    52,014.43x = 980,851,966.59
  5. Step 5: Solve for x
    x = 980,851,966.59/52,014.43
  6. Step 6: Final answer
    x = 18,857.30

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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.