Home / 33,148.20-49,679.10-15,376.80

Finding the Fourth Proportional to 33,148.20, 49,679.10 and 15,376.80

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Solution

The fourth proportional to 33,148.20, 49,679.10 and 15,376.80 is: 23,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.20 : 49,679.10 = 15,376.80 : x
  2. Step 2: Convert to fraction form
    33,148.20/49,679.10 = 15,376.80/x
  3. Step 3: Cross multiply
    33,148.20x = 49,679.10 × 15,376.80
  4. Step 4: Simplify right side
    33,148.20x = 763,905,584.88
  5. Step 5: Solve for x
    x = 763,905,584.88/33,148.20
  6. Step 6: Final answer
    x = 23,045.16

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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.