Home / 30,787.84-46,167.41-15,992.79

Finding the Fourth Proportional to 30,787.84, 46,167.41 and 15,992.79

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Solution

The fourth proportional to 30,787.84, 46,167.41 and 15,992.79 is: 23,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787.84 : 46,167.41 = 15,992.79 : x
  2. Step 2: Convert to fraction form
    30,787.84/46,167.41 = 15,992.79/x
  3. Step 3: Cross multiply
    30,787.84x = 46,167.41 × 15,992.79
  4. Step 4: Simplify right side
    30,787.84x = 738,345,422.15
  5. Step 5: Solve for x
    x = 738,345,422.15/30,787.84
  6. Step 6: Final answer
    x = 23,981.72

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1.5x scale

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.