Home / 48,732.24-67,183.56-30,818.28

Finding the Fourth Proportional to 48,732.24, 67,183.56 and 30,818.28

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Solution

The fourth proportional to 48,732.24, 67,183.56 and 30,818.28 is: 42,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,732.24 : 67,183.56 = 30,818.28 : x
  2. Step 2: Convert to fraction form
    48,732.24/67,183.56 = 30,818.28/x
  3. Step 3: Cross multiply
    48,732.24x = 67,183.56 × 30,818.28
  4. Step 4: Simplify right side
    48,732.24x = 2,070,481,763.48
  5. Step 5: Solve for x
    x = 2,070,481,763.48/48,732.24
  6. Step 6: Final answer
    x = 42,486.90

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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.