Home / 30,787.20-46,180.80-25,246.80

Finding the Fourth Proportional to 30,787.20, 46,180.80 and 25,246.80

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Solution

The fourth proportional to 30,787.20, 46,180.80 and 25,246.80 is: 37,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787.20 : 46,180.80 = 25,246.80 : x
  2. Step 2: Convert to fraction form
    30,787.20/46,180.80 = 25,246.80/x
  3. Step 3: Cross multiply
    30,787.20x = 46,180.80 × 25,246.80
  4. Step 4: Simplify right side
    30,787.20x = 1,165,917,421.44
  5. Step 5: Solve for x
    x = 1,165,917,421.44/30,787.20
  6. Step 6: Final answer
    x = 37,870.20

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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.