Home / 47,515.25-71,130.87-28,738.49

Finding the Fourth Proportional to 47,515.25, 71,130.87 and 28,738.49

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Solution

The fourth proportional to 47,515.25, 71,130.87 and 28,738.49 is: 43,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.25 : 71,130.87 = 28,738.49 : x
  2. Step 2: Convert to fraction form
    47,515.25/71,130.87 = 28,738.49/x
  3. Step 3: Cross multiply
    47,515.25x = 71,130.87 × 28,738.49
  4. Step 4: Simplify right side
    47,515.25x = 2,044,193,440.53
  5. Step 5: Solve for x
    x = 2,044,193,440.53/47,515.25
  6. Step 6: Final answer
    x = 43,021.84

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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.