Home / 30,324.13-45,494.97-12,551.50

Finding the Fourth Proportional to 30,324.13, 45,494.97 and 12,551.50

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Solution

The fourth proportional to 30,324.13, 45,494.97 and 12,551.50 is: 18,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,324.13 : 45,494.97 = 12,551.50 : x
  2. Step 2: Convert to fraction form
    30,324.13/45,494.97 = 12,551.50/x
  3. Step 3: Cross multiply
    30,324.13x = 45,494.97 × 12,551.50
  4. Step 4: Simplify right side
    30,324.13x = 571,030,125.76
  5. Step 5: Solve for x
    x = 571,030,125.76/30,324.13
  6. Step 6: Final answer
    x = 18,830.88

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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.