Home / 45,252.24-67,900.98-20,310.12

Finding the Fourth Proportional to 45,252.24, 67,900.98 and 20,310.12

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Solution

The fourth proportional to 45,252.24, 67,900.98 and 20,310.12 is: 30,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,252.24 : 67,900.98 = 20,310.12 : x
  2. Step 2: Convert to fraction form
    45,252.24/67,900.98 = 20,310.12/x
  3. Step 3: Cross multiply
    45,252.24x = 67,900.98 × 20,310.12
  4. Step 4: Simplify right side
    45,252.24x = 1,379,077,051.92
  5. Step 5: Solve for x
    x = 1,379,077,051.92/45,252.24
  6. Step 6: Final answer
    x = 30,475.33

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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.