Home / 45,400.45-68,100.45-11,666.43

Finding the Fourth Proportional to 45,400.45, 68,100.45 and 11,666.43

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Solution

The fourth proportional to 45,400.45, 68,100.45 and 11,666.43 is: 17,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.45 : 68,100.45 = 11,666.43 : x
  2. Step 2: Convert to fraction form
    45,400.45/68,100.45 = 11,666.43/x
  3. Step 3: Cross multiply
    45,400.45x = 68,100.45 × 11,666.43
  4. Step 4: Simplify right side
    45,400.45x = 794,489,089.14
  5. Step 5: Solve for x
    x = 794,489,089.14/45,400.45
  6. Step 6: Final answer
    x = 17,499.59

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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.