Home / 34,724.90-47,917.52-19,618.88

Finding the Fourth Proportional to 34,724.90, 47,917.52 and 19,618.88

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Solution

The fourth proportional to 34,724.90, 47,917.52 and 19,618.88 is: 27,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724.90 : 47,917.52 = 19,618.88 : x
  2. Step 2: Convert to fraction form
    34,724.90/47,917.52 = 19,618.88/x
  3. Step 3: Cross multiply
    34,724.90x = 47,917.52 × 19,618.88
  4. Step 4: Simplify right side
    34,724.90x = 940,087,921.02
  5. Step 5: Solve for x
    x = 940,087,921.02/34,724.90
  6. Step 6: Final answer
    x = 27,072.44

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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.