Home / 48,426.87-66,837.38-28,286.13

Finding the Fourth Proportional to 48,426.87, 66,837.38 and 28,286.13

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Solution

The fourth proportional to 48,426.87, 66,837.38 and 28,286.13 is: 39,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426.87 : 66,837.38 = 28,286.13 : x
  2. Step 2: Convert to fraction form
    48,426.87/66,837.38 = 28,286.13/x
  3. Step 3: Cross multiply
    48,426.87x = 66,837.38 × 28,286.13
  4. Step 4: Simplify right side
    48,426.87x = 1,890,570,819.54
  5. Step 5: Solve for x
    x = 1,890,570,819.54/48,426.87
  6. Step 6: Final answer
    x = 39,039.71

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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.