Home / 37,515.56-51,776.36-21,600.68

Finding the Fourth Proportional to 37,515.56, 51,776.36 and 21,600.68

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Solution

The fourth proportional to 37,515.56, 51,776.36 and 21,600.68 is: 29,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,515.56 : 51,776.36 = 21,600.68 : x
  2. Step 2: Convert to fraction form
    37,515.56/51,776.36 = 21,600.68/x
  3. Step 3: Cross multiply
    37,515.56x = 51,776.36 × 21,600.68
  4. Step 4: Simplify right side
    37,515.56x = 1,118,404,583.92
  5. Step 5: Solve for x
    x = 1,118,404,583.92/37,515.56
  6. Step 6: Final answer
    x = 29,811.75

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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.