Home / 30,365.40-45,542.92-8,173.83

Finding the Fourth Proportional to 30,365.40, 45,542.92 and 8,173.83

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Solution

The fourth proportional to 30,365.40, 45,542.92 and 8,173.83 is: 12,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.40 : 45,542.92 = 8,173.83 : x
  2. Step 2: Convert to fraction form
    30,365.40/45,542.92 = 8,173.83/x
  3. Step 3: Cross multiply
    30,365.40x = 45,542.92 × 8,173.83
  4. Step 4: Simplify right side
    30,365.40x = 372,259,971.93
  5. Step 5: Solve for x
    x = 372,259,971.93/30,365.40
  6. Step 6: Final answer
    x = 12,259.35

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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.