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Finding the Fourth Proportional to 54,734.82, 82,126.83 and 28,425.21

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Solution

The fourth proportional to 54,734.82, 82,126.83 and 28,425.21 is: 42,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,734.82 : 82,126.83 = 28,425.21 : x
  2. Step 2: Convert to fraction form
    54,734.82/82,126.83 = 28,425.21/x
  3. Step 3: Cross multiply
    54,734.82x = 82,126.83 × 28,425.21
  4. Step 4: Simplify right side
    54,734.82x = 2,334,472,389.38
  5. Step 5: Solve for x
    x = 2,334,472,389.38/54,734.82
  6. Step 6: Final answer
    x = 42,650.59

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1.5x scale

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.