Home / 30,280.74-41,787.10-16,851.75

Finding the Fourth Proportional to 30,280.74, 41,787.10 and 16,851.75

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Solution

The fourth proportional to 30,280.74, 41,787.10 and 16,851.75 is: 23,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.74 : 41,787.10 = 16,851.75 : x
  2. Step 2: Convert to fraction form
    30,280.74/41,787.10 = 16,851.75/x
  3. Step 3: Cross multiply
    30,280.74x = 41,787.10 × 16,851.75
  4. Step 4: Simplify right side
    30,280.74x = 704,185,762.43
  5. Step 5: Solve for x
    x = 704,185,762.43/30,280.74
  6. Step 6: Final answer
    x = 23,255.24

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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.