Home / 40,529-60,743.58-28,778.60

Finding the Fourth Proportional to 40,529, 60,743.58 and 28,778.60

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Solution

The fourth proportional to 40,529, 60,743.58 and 28,778.60 is: 43,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,529 : 60,743.58 = 28,778.60 : x
  2. Step 2: Convert to fraction form
    40,529/60,743.58 = 28,778.60/x
  3. Step 3: Cross multiply
    40,529x = 60,743.58 × 28,778.60
  4. Step 4: Simplify right side
    40,529x = 1,748,115,191.39
  5. Step 5: Solve for x
    x = 1,748,115,191.39/40,529
  6. Step 6: Final answer
    x = 43,132.45

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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.