Home / 45,661.88-63,008.97-28,660.68

Finding the Fourth Proportional to 45,661.88, 63,008.97 and 28,660.68

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Solution

The fourth proportional to 45,661.88, 63,008.97 and 28,660.68 is: 39,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.88 : 63,008.97 = 28,660.68 : x
  2. Step 2: Convert to fraction form
    45,661.88/63,008.97 = 28,660.68/x
  3. Step 3: Cross multiply
    45,661.88x = 63,008.97 × 28,660.68
  4. Step 4: Simplify right side
    45,661.88x = 1,805,879,926.30
  5. Step 5: Solve for x
    x = 1,805,879,926.30/45,661.88
  6. Step 6: Final answer
    x = 39,548.97

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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.