Home / 48,178.49-66,478.38-30,260.73

Finding the Fourth Proportional to 48,178.49, 66,478.38 and 30,260.73

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Solution

The fourth proportional to 48,178.49, 66,478.38 and 30,260.73 is: 41,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,178.49 : 66,478.38 = 30,260.73 : x
  2. Step 2: Convert to fraction form
    48,178.49/66,478.38 = 30,260.73/x
  3. Step 3: Cross multiply
    48,178.49x = 66,478.38 × 30,260.73
  4. Step 4: Simplify right side
    48,178.49x = 2,011,684,308.02
  5. Step 5: Solve for x
    x = 2,011,684,308.02/48,178.49
  6. Step 6: Final answer
    x = 41,754.83

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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.