Home / 45,284.24-67,830.60-28,635.68

Finding the Fourth Proportional to 45,284.24, 67,830.60 and 28,635.68

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Solution

The fourth proportional to 45,284.24, 67,830.60 and 28,635.68 is: 42,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,284.24 : 67,830.60 = 28,635.68 : x
  2. Step 2: Convert to fraction form
    45,284.24/67,830.60 = 28,635.68/x
  3. Step 3: Cross multiply
    45,284.24x = 67,830.60 × 28,635.68
  4. Step 4: Simplify right side
    45,284.24x = 1,942,375,355.81
  5. Step 5: Solve for x
    x = 1,942,375,355.81/45,284.24
  6. Step 6: Final answer
    x = 42,892.97

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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.