Home / 36,029.75-49,721.55-19,898.15

Finding the Fourth Proportional to 36,029.75, 49,721.55 and 19,898.15

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Solution

The fourth proportional to 36,029.75, 49,721.55 and 19,898.15 is: 27,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.75 : 49,721.55 = 19,898.15 : x
  2. Step 2: Convert to fraction form
    36,029.75/49,721.55 = 19,898.15/x
  3. Step 3: Cross multiply
    36,029.75x = 49,721.55 × 19,898.15
  4. Step 4: Simplify right side
    36,029.75x = 989,366,564.87
  5. Step 5: Solve for x
    x = 989,366,564.87/36,029.75
  6. Step 6: Final answer
    x = 27,459.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.