Home / 45,223.32-67,821.16-31,273

Finding the Fourth Proportional to 45,223.32, 67,821.16 and 31,273

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Solution

The fourth proportional to 45,223.32, 67,821.16 and 31,273 is: 46,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,223.32 : 67,821.16 = 31,273 : x
  2. Step 2: Convert to fraction form
    45,223.32/67,821.16 = 31,273/x
  3. Step 3: Cross multiply
    45,223.32x = 67,821.16 × 31,273
  4. Step 4: Simplify right side
    45,223.32x = 2,120,971,136.68
  5. Step 5: Solve for x
    x = 2,120,971,136.68/45,223.32
  6. Step 6: Final answer
    x = 46,899.94

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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.