Home / 34,787.80-48,007.19-18,872.31

Finding the Fourth Proportional to 34,787.80, 48,007.19 and 18,872.31

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Solution

The fourth proportional to 34,787.80, 48,007.19 and 18,872.31 is: 26,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,787.80 : 48,007.19 = 18,872.31 : x
  2. Step 2: Convert to fraction form
    34,787.80/48,007.19 = 18,872.31/x
  3. Step 3: Cross multiply
    34,787.80x = 48,007.19 × 18,872.31
  4. Step 4: Simplify right side
    34,787.80x = 906,006,477.55
  5. Step 5: Solve for x
    x = 906,006,477.55/34,787.80
  6. Step 6: Final answer
    x = 26,043.80

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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.