Home / 51,787.08-71,473.19-30,283.20

Finding the Fourth Proportional to 51,787.08, 71,473.19 and 30,283.20

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Solution

The fourth proportional to 51,787.08, 71,473.19 and 30,283.20 is: 41,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,787.08 : 71,473.19 = 30,283.20 : x
  2. Step 2: Convert to fraction form
    51,787.08/71,473.19 = 30,283.20/x
  3. Step 3: Cross multiply
    51,787.08x = 71,473.19 × 30,283.20
  4. Step 4: Simplify right side
    51,787.08x = 2,164,436,755.99
  5. Step 5: Solve for x
    x = 2,164,436,755.99/51,787.08
  6. Step 6: Final answer
    x = 41,794.92

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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.