Home / 42,616.64-63,934.19-16,321.39

Finding the Fourth Proportional to 42,616.64, 63,934.19 and 16,321.39

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Solution

The fourth proportional to 42,616.64, 63,934.19 and 16,321.39 is: 24,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616.64 : 63,934.19 = 16,321.39 : x
  2. Step 2: Convert to fraction form
    42,616.64/63,934.19 = 16,321.39/x
  3. Step 3: Cross multiply
    42,616.64x = 63,934.19 × 16,321.39
  4. Step 4: Simplify right side
    42,616.64x = 1,043,494,849.32
  5. Step 5: Solve for x
    x = 1,043,494,849.32/42,616.64
  6. Step 6: Final answer
    x = 24,485.62

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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.