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Finding the Fourth Proportional to 35,999, 54,003.06 and 12,311.10

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Solution

The fourth proportional to 35,999, 54,003.06 and 12,311.10 is: 18,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999 : 54,003.06 = 12,311.10 : x
  2. Step 2: Convert to fraction form
    35,999/54,003.06 = 12,311.10/x
  3. Step 3: Cross multiply
    35,999x = 54,003.06 × 12,311.10
  4. Step 4: Simplify right side
    35,999x = 664,837,071.97
  5. Step 5: Solve for x
    x = 664,837,071.97/35,999
  6. Step 6: Final answer
    x = 18,468.21

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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.