Home / 30,327.25-45,484.60-8,135.35

Finding the Fourth Proportional to 30,327.25, 45,484.60 and 8,135.35

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Solution

The fourth proportional to 30,327.25, 45,484.60 and 8,135.35 is: 12,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.25 : 45,484.60 = 8,135.35 : x
  2. Step 2: Convert to fraction form
    30,327.25/45,484.60 = 8,135.35/x
  3. Step 3: Cross multiply
    30,327.25x = 45,484.60 × 8,135.35
  4. Step 4: Simplify right side
    30,327.25x = 370,033,140.61
  5. Step 5: Solve for x
    x = 370,033,140.61/30,327.25
  6. Step 6: Final answer
    x = 12,201.34

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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.