Home / 33,216.90-49,838.79-13,490.34

Finding the Fourth Proportional to 33,216.90, 49,838.79 and 13,490.34

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Solution

The fourth proportional to 33,216.90, 49,838.79 and 13,490.34 is: 20,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.90 : 49,838.79 = 13,490.34 : x
  2. Step 2: Convert to fraction form
    33,216.90/49,838.79 = 13,490.34/x
  3. Step 3: Cross multiply
    33,216.90x = 49,838.79 × 13,490.34
  4. Step 4: Simplify right side
    33,216.90x = 672,342,222.29
  5. Step 5: Solve for x
    x = 672,342,222.29/33,216.90
  6. Step 6: Final answer
    x = 20,240.97

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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.