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Finding the Fourth Proportional to 48,903.82, 67,488.86 and 27,682.62

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Solution

The fourth proportional to 48,903.82, 67,488.86 and 27,682.62 is: 38,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,903.82 : 67,488.86 = 27,682.62 : x
  2. Step 2: Convert to fraction form
    48,903.82/67,488.86 = 27,682.62/x
  3. Step 3: Cross multiply
    48,903.82x = 67,488.86 × 27,682.62
  4. Step 4: Simplify right side
    48,903.82x = 1,868,268,465.61
  5. Step 5: Solve for x
    x = 1,868,268,465.61/48,903.82
  6. Step 6: Final answer
    x = 38,202.91

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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.