Home / 35,710.96-49,281.62-19,579.78

Finding the Fourth Proportional to 35,710.96, 49,281.62 and 19,579.78

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Solution

The fourth proportional to 35,710.96, 49,281.62 and 19,579.78 is: 27,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,710.96 : 49,281.62 = 19,579.78 : x
  2. Step 2: Convert to fraction form
    35,710.96/49,281.62 = 19,579.78/x
  3. Step 3: Cross multiply
    35,710.96x = 49,281.62 × 19,579.78
  4. Step 4: Simplify right side
    35,710.96x = 964,923,277.64
  5. Step 5: Solve for x
    x = 964,923,277.64/35,710.96
  6. Step 6: Final answer
    x = 27,020.37

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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.