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Finding the Fourth Proportional to 48,866.82, 73,322.08 and 28,090.32

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Solution

The fourth proportional to 48,866.82, 73,322.08 and 28,090.32 is: 42,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.82 : 73,322.08 = 28,090.32 : x
  2. Step 2: Convert to fraction form
    48,866.82/73,322.08 = 28,090.32/x
  3. Step 3: Cross multiply
    48,866.82x = 73,322.08 × 28,090.32
  4. Step 4: Simplify right side
    48,866.82x = 2,059,640,690.27
  5. Step 5: Solve for x
    x = 2,059,640,690.27/48,866.82
  6. Step 6: Final answer
    x = 42,148.04

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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.