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Finding the Fourth Proportional to 39,950.64, 55,153.98 and 24,039

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Solution

The fourth proportional to 39,950.64, 55,153.98 and 24,039 is: 33,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.64 : 55,153.98 = 24,039 : x
  2. Step 2: Convert to fraction form
    39,950.64/55,153.98 = 24,039/x
  3. Step 3: Cross multiply
    39,950.64x = 55,153.98 × 24,039
  4. Step 4: Simplify right side
    39,950.64x = 1,325,846,525.22
  5. Step 5: Solve for x
    x = 1,325,846,525.22/39,950.64
  6. Step 6: Final answer
    x = 33,187.12

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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.