Home / 35,721.46-49,295.53-19,805.50

Finding the Fourth Proportional to 35,721.46, 49,295.53 and 19,805.50

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Solution

The fourth proportional to 35,721.46, 49,295.53 and 19,805.50 is: 27,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.46 : 49,295.53 = 19,805.50 : x
  2. Step 2: Convert to fraction form
    35,721.46/49,295.53 = 19,805.50/x
  3. Step 3: Cross multiply
    35,721.46x = 49,295.53 × 19,805.50
  4. Step 4: Simplify right side
    35,721.46x = 976,322,619.42
  5. Step 5: Solve for x
    x = 976,322,619.42/35,721.46
  6. Step 6: Final answer
    x = 27,331.54

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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.