Home / 35,843.72-49,464.62-19,711.40

Finding the Fourth Proportional to 35,843.72, 49,464.62 and 19,711.40

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Solution

The fourth proportional to 35,843.72, 49,464.62 and 19,711.40 is: 27,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,843.72 : 49,464.62 = 19,711.40 : x
  2. Step 2: Convert to fraction form
    35,843.72/49,464.62 = 19,711.40/x
  3. Step 3: Cross multiply
    35,843.72x = 49,464.62 × 19,711.40
  4. Step 4: Simplify right side
    35,843.72x = 975,017,027.82
  5. Step 5: Solve for x
    x = 975,017,027.82/35,843.72
  6. Step 6: Final answer
    x = 27,201.90

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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.