Home / 37,619.06-51,919.82-21,700.40

Finding the Fourth Proportional to 37,619.06, 51,919.82 and 21,700.40

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Solution

The fourth proportional to 37,619.06, 51,919.82 and 21,700.40 is: 29,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.06 : 51,919.82 = 21,700.40 : x
  2. Step 2: Convert to fraction form
    37,619.06/51,919.82 = 21,700.40/x
  3. Step 3: Cross multiply
    37,619.06x = 51,919.82 × 21,700.40
  4. Step 4: Simplify right side
    37,619.06x = 1,126,680,861.93
  5. Step 5: Solve for x
    x = 1,126,680,861.93/37,619.06
  6. Step 6: Final answer
    x = 29,949.73

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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.