Home / 35,694.48-49,257.60-19,778.88

Finding the Fourth Proportional to 35,694.48, 49,257.60 and 19,778.88

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Solution

The fourth proportional to 35,694.48, 49,257.60 and 19,778.88 is: 27,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,694.48 : 49,257.60 = 19,778.88 : x
  2. Step 2: Convert to fraction form
    35,694.48/49,257.60 = 19,778.88/x
  3. Step 3: Cross multiply
    35,694.48x = 49,257.60 × 19,778.88
  4. Step 4: Simplify right side
    35,694.48x = 974,260,159.49
  5. Step 5: Solve for x
    x = 974,260,159.49/35,694.48
  6. Step 6: Final answer
    x = 27,294.42

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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.