Home / 33,345.72-49,980.36-11,153.88

Finding the Fourth Proportional to 33,345.72, 49,980.36 and 11,153.88

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Solution

The fourth proportional to 33,345.72, 49,980.36 and 11,153.88 is: 16,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,345.72 : 49,980.36 = 11,153.88 : x
  2. Step 2: Convert to fraction form
    33,345.72/49,980.36 = 11,153.88/x
  3. Step 3: Cross multiply
    33,345.72x = 49,980.36 × 11,153.88
  4. Step 4: Simplify right side
    33,345.72x = 557,474,937.80
  5. Step 5: Solve for x
    x = 557,474,937.80/33,345.72
  6. Step 6: Final answer
    x = 16,718.04

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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.