Home / 30,216.33-45,320.87-8,031.41

Finding the Fourth Proportional to 30,216.33, 45,320.87 and 8,031.41

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Solution

The fourth proportional to 30,216.33, 45,320.87 and 8,031.41 is: 12,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.33 : 45,320.87 = 8,031.41 : x
  2. Step 2: Convert to fraction form
    30,216.33/45,320.87 = 8,031.41/x
  3. Step 3: Cross multiply
    30,216.33x = 45,320.87 × 8,031.41
  4. Step 4: Simplify right side
    30,216.33x = 363,990,221.77
  5. Step 5: Solve for x
    x = 363,990,221.77/30,216.33
  6. Step 6: Final answer
    x = 12,046.14

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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.