Home / 45,588.65-68,385.11-13,997.43

Finding the Fourth Proportional to 45,588.65, 68,385.11 and 13,997.43

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Solution

The fourth proportional to 45,588.65, 68,385.11 and 13,997.43 is: 20,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,588.65 : 68,385.11 = 13,997.43 : x
  2. Step 2: Convert to fraction form
    45,588.65/68,385.11 = 13,997.43/x
  3. Step 3: Cross multiply
    45,588.65x = 68,385.11 × 13,997.43
  4. Step 4: Simplify right side
    45,588.65x = 957,215,720.28
  5. Step 5: Solve for x
    x = 957,215,720.28/45,588.65
  6. Step 6: Final answer
    x = 20,996.80

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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.