Home / 37,631.52-51,919.68-21,713.88

Finding the Fourth Proportional to 37,631.52, 51,919.68 and 21,713.88

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Solution

The fourth proportional to 37,631.52, 51,919.68 and 21,713.88 is: 29,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.52 : 51,919.68 = 21,713.88 : x
  2. Step 2: Convert to fraction form
    37,631.52/51,919.68 = 21,713.88/x
  3. Step 3: Cross multiply
    37,631.52x = 51,919.68 × 21,713.88
  4. Step 4: Simplify right side
    37,631.52x = 1,127,377,701.16
  5. Step 5: Solve for x
    x = 1,127,377,701.16/37,631.52
  6. Step 6: Final answer
    x = 29,958.34

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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.