Home / 45,979.26-63,449.64-28,104.18

Finding the Fourth Proportional to 45,979.26, 63,449.64 and 28,104.18

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Solution

The fourth proportional to 45,979.26, 63,449.64 and 28,104.18 is: 38,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.26 : 63,449.64 = 28,104.18 : x
  2. Step 2: Convert to fraction form
    45,979.26/63,449.64 = 28,104.18/x
  3. Step 3: Cross multiply
    45,979.26x = 63,449.64 × 28,104.18
  4. Step 4: Simplify right side
    45,979.26x = 1,783,200,103.50
  5. Step 5: Solve for x
    x = 1,783,200,103.50/45,979.26
  6. Step 6: Final answer
    x = 38,782.71

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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.