Home / 35,721.54-49,293.90-19,808.55

Finding the Fourth Proportional to 35,721.54, 49,293.90 and 19,808.55

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Solution

The fourth proportional to 35,721.54, 49,293.90 and 19,808.55 is: 27,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.54 : 49,293.90 = 19,808.55 : x
  2. Step 2: Convert to fraction form
    35,721.54/49,293.90 = 19,808.55/x
  3. Step 3: Cross multiply
    35,721.54x = 49,293.90 × 19,808.55
  4. Step 4: Simplify right side
    35,721.54x = 976,440,682.85
  5. Step 5: Solve for x
    x = 976,440,682.85/35,721.54
  6. Step 6: Final answer
    x = 27,334.79

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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.