Home / 30,787.48-46,171.50-13,252.60

Finding the Fourth Proportional to 30,787.48, 46,171.50 and 13,252.60

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Solution

The fourth proportional to 30,787.48, 46,171.50 and 13,252.60 is: 19,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787.48 : 46,171.50 = 13,252.60 : x
  2. Step 2: Convert to fraction form
    30,787.48/46,171.50 = 13,252.60/x
  3. Step 3: Cross multiply
    30,787.48x = 46,171.50 × 13,252.60
  4. Step 4: Simplify right side
    30,787.48x = 611,892,420.90
  5. Step 5: Solve for x
    x = 611,892,420.90/30,787.48
  6. Step 6: Final answer
    x = 19,874.72

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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.