Home / 29,680.20-44,520.30-19,787.40

Finding the Fourth Proportional to 29,680.20, 44,520.30 and 19,787.40

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Solution

The fourth proportional to 29,680.20, 44,520.30 and 19,787.40 is: 29,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.20 : 44,520.30 = 19,787.40 : x
  2. Step 2: Convert to fraction form
    29,680.20/44,520.30 = 19,787.40/x
  3. Step 3: Cross multiply
    29,680.20x = 44,520.30 × 19,787.40
  4. Step 4: Simplify right side
    29,680.20x = 880,940,984.22
  5. Step 5: Solve for x
    x = 880,940,984.22/29,680.20
  6. Step 6: Final answer
    x = 29,681.10

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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.