Home / 45,234.69-67,883.16-20,302.62

Finding the Fourth Proportional to 45,234.69, 67,883.16 and 20,302.62

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Solution

The fourth proportional to 45,234.69, 67,883.16 and 20,302.62 is: 30,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,234.69 : 67,883.16 = 20,302.62 : x
  2. Step 2: Convert to fraction form
    45,234.69/67,883.16 = 20,302.62/x
  3. Step 3: Cross multiply
    45,234.69x = 67,883.16 × 20,302.62
  4. Step 4: Simplify right side
    45,234.69x = 1,378,205,823.45
  5. Step 5: Solve for x
    x = 1,378,205,823.45/45,234.69
  6. Step 6: Final answer
    x = 30,467.90

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1.5x scale

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.