Home / 30,280.99-41,787.13-16,851.44

Finding the Fourth Proportional to 30,280.99, 41,787.13 and 16,851.44

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Solution

The fourth proportional to 30,280.99, 41,787.13 and 16,851.44 is: 23,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.99 : 41,787.13 = 16,851.44 : x
  2. Step 2: Convert to fraction form
    30,280.99/41,787.13 = 16,851.44/x
  3. Step 3: Cross multiply
    30,280.99x = 41,787.13 × 16,851.44
  4. Step 4: Simplify right side
    30,280.99x = 704,173,313.97
  5. Step 5: Solve for x
    x = 704,173,313.97/30,280.99
  6. Step 6: Final answer
    x = 23,254.63

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1.5x scale

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.