Home / 48,414.24-66,784.32-28,269.12

Finding the Fourth Proportional to 48,414.24, 66,784.32 and 28,269.12

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Solution

The fourth proportional to 48,414.24, 66,784.32 and 28,269.12 is: 38,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,414.24 : 66,784.32 = 28,269.12 : x
  2. Step 2: Convert to fraction form
    48,414.24/66,784.32 = 28,269.12/x
  3. Step 3: Cross multiply
    48,414.24x = 66,784.32 × 28,269.12
  4. Step 4: Simplify right side
    48,414.24x = 1,887,933,956.20
  5. Step 5: Solve for x
    x = 1,887,933,956.20/48,414.24
  6. Step 6: Final answer
    x = 38,995.43

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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.