Home / 48,954.24-67,557.12-28,812

Finding the Fourth Proportional to 48,954.24, 67,557.12 and 28,812

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Solution

The fourth proportional to 48,954.24, 67,557.12 and 28,812 is: 39,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,954.24 : 67,557.12 = 28,812 : x
  2. Step 2: Convert to fraction form
    48,954.24/67,557.12 = 28,812/x
  3. Step 3: Cross multiply
    48,954.24x = 67,557.12 × 28,812
  4. Step 4: Simplify right side
    48,954.24x = 1,946,455,741.44
  5. Step 5: Solve for x
    x = 1,946,455,741.44/48,954.24
  6. Step 6: Final answer
    x = 39,760.72

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Why These Related Problems?

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