Home / 37,655.51-51,965.57-20,660.48

Finding the Fourth Proportional to 37,655.51, 51,965.57 and 20,660.48

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Solution

The fourth proportional to 37,655.51, 51,965.57 and 20,660.48 is: 28,511.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,655.51 : 51,965.57 = 20,660.48 : x
  2. Step 2: Convert to fraction form
    37,655.51/51,965.57 = 20,660.48/x
  3. Step 3: Cross multiply
    37,655.51x = 51,965.57 × 20,660.48
  4. Step 4: Simplify right side
    37,655.51x = 1,073,633,619.67
  5. Step 5: Solve for x
    x = 1,073,633,619.67/37,655.51
  6. Step 6: Final answer
    x = 28,511.99

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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.