Home / 45,962.90-68,936.14-12,229.11

Finding the Fourth Proportional to 45,962.90, 68,936.14 and 12,229.11

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Solution

The fourth proportional to 45,962.90, 68,936.14 and 12,229.11 is: 18,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,962.90 : 68,936.14 = 12,229.11 : x
  2. Step 2: Convert to fraction form
    45,962.90/68,936.14 = 12,229.11/x
  3. Step 3: Cross multiply
    45,962.90x = 68,936.14 × 12,229.11
  4. Step 4: Simplify right side
    45,962.90x = 843,027,233.21
  5. Step 5: Solve for x
    x = 843,027,233.21/45,962.90
  6. Step 6: Final answer
    x = 18,341.47

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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.