Home / 33,107.20-49,660.80-29,478.40

Finding the Fourth Proportional to 33,107.20, 49,660.80 and 29,478.40

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Solution

The fourth proportional to 33,107.20, 49,660.80 and 29,478.40 is: 44,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.20 : 49,660.80 = 29,478.40 : x
  2. Step 2: Convert to fraction form
    33,107.20/49,660.80 = 29,478.40/x
  3. Step 3: Cross multiply
    33,107.20x = 49,660.80 × 29,478.40
  4. Step 4: Simplify right side
    33,107.20x = 1,463,920,926.72
  5. Step 5: Solve for x
    x = 1,463,920,926.72/33,107.20
  6. Step 6: Final answer
    x = 44,217.60

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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.