Home / 48,279.24-66,628.17-36,321.21

Finding the Fourth Proportional to 48,279.24, 66,628.17 and 36,321.21

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Solution

The fourth proportional to 48,279.24, 66,628.17 and 36,321.21 is: 50,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.24 : 66,628.17 = 36,321.21 : x
  2. Step 2: Convert to fraction form
    48,279.24/66,628.17 = 36,321.21/x
  3. Step 3: Cross multiply
    48,279.24x = 66,628.17 × 36,321.21
  4. Step 4: Simplify right side
    48,279.24x = 2,420,015,754.49
  5. Step 5: Solve for x
    x = 2,420,015,754.49/48,279.24
  6. Step 6: Final answer
    x = 50,125.39

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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.