Home / 30,279.62-45,389.92-14,480.52

Finding the Fourth Proportional to 30,279.62, 45,389.92 and 14,480.52

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Solution

The fourth proportional to 30,279.62, 45,389.92 and 14,480.52 is: 21,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.62 : 45,389.92 = 14,480.52 : x
  2. Step 2: Convert to fraction form
    30,279.62/45,389.92 = 14,480.52/x
  3. Step 3: Cross multiply
    30,279.62x = 45,389.92 × 14,480.52
  4. Step 4: Simplify right side
    30,279.62x = 657,269,720.41
  5. Step 5: Solve for x
    x = 657,269,720.41/30,279.62
  6. Step 6: Final answer
    x = 21,706.67

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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.