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Finding the Fourth Proportional to 63,328.78, 87,393.36 and 35,033.86

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Solution

The fourth proportional to 63,328.78, 87,393.36 and 35,033.86 is: 48,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,328.78 : 87,393.36 = 35,033.86 : x
  2. Step 2: Convert to fraction form
    63,328.78/87,393.36 = 35,033.86/x
  3. Step 3: Cross multiply
    63,328.78x = 87,393.36 × 35,033.86
  4. Step 4: Simplify right side
    63,328.78x = 3,061,726,739.17
  5. Step 5: Solve for x
    x = 3,061,726,739.17/63,328.78
  6. Step 6: Final answer
    x = 48,346.53

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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.