Home / 33,461.06-46,172.88-21,515.49

Finding the Fourth Proportional to 33,461.06, 46,172.88 and 21,515.49

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Solution

The fourth proportional to 33,461.06, 46,172.88 and 21,515.49 is: 29,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,461.06 : 46,172.88 = 21,515.49 : x
  2. Step 2: Convert to fraction form
    33,461.06/46,172.88 = 21,515.49/x
  3. Step 3: Cross multiply
    33,461.06x = 46,172.88 × 21,515.49
  4. Step 4: Simplify right side
    33,461.06x = 993,432,137.91
  5. Step 5: Solve for x
    x = 993,432,137.91/33,461.06
  6. Step 6: Final answer
    x = 29,689.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.