Home / 48,644.16-72,935.46-20,549.76

Finding the Fourth Proportional to 48,644.16, 72,935.46 and 20,549.76

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Solution

The fourth proportional to 48,644.16, 72,935.46 and 20,549.76 is: 30,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,644.16 : 72,935.46 = 20,549.76 : x
  2. Step 2: Convert to fraction form
    48,644.16/72,935.46 = 20,549.76/x
  3. Step 3: Cross multiply
    48,644.16x = 72,935.46 × 20,549.76
  4. Step 4: Simplify right side
    48,644.16x = 1,498,806,198.49
  5. Step 5: Solve for x
    x = 1,498,806,198.49/48,644.16
  6. Step 6: Final answer
    x = 30,811.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.