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Finding the Fourth Proportional to 58,181.64, 80,293.14 and 33,033.48

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Solution

The fourth proportional to 58,181.64, 80,293.14 and 33,033.48 is: 45,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181.64 : 80,293.14 = 33,033.48 : x
  2. Step 2: Convert to fraction form
    58,181.64/80,293.14 = 33,033.48/x
  3. Step 3: Cross multiply
    58,181.64x = 80,293.14 × 33,033.48
  4. Step 4: Simplify right side
    58,181.64x = 2,652,361,834.33
  5. Step 5: Solve for x
    x = 2,652,361,834.33/58,181.64
  6. Step 6: Final answer
    x = 45,587.61

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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.