Home / 48,972.36-67,581.22-28,830.09

Finding the Fourth Proportional to 48,972.36, 67,581.22 and 28,830.09

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Solution

The fourth proportional to 48,972.36, 67,581.22 and 28,830.09 is: 39,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,972.36 : 67,581.22 = 28,830.09 : x
  2. Step 2: Convert to fraction form
    48,972.36/67,581.22 = 28,830.09/x
  3. Step 3: Cross multiply
    48,972.36x = 67,581.22 × 28,830.09
  4. Step 4: Simplify right side
    48,972.36x = 1,948,372,654.91
  5. Step 5: Solve for x
    x = 1,948,372,654.91/48,972.36
  6. Step 6: Final answer
    x = 39,785.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.