Home / 30,884.10-42,620.07-16,736.88

Finding the Fourth Proportional to 30,884.10, 42,620.07 and 16,736.88

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Solution

The fourth proportional to 30,884.10, 42,620.07 and 16,736.88 is: 23,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.10 : 42,620.07 = 16,736.88 : x
  2. Step 2: Convert to fraction form
    30,884.10/42,620.07 = 16,736.88/x
  3. Step 3: Cross multiply
    30,884.10x = 42,620.07 × 16,736.88
  4. Step 4: Simplify right side
    30,884.10x = 713,326,997.18
  5. Step 5: Solve for x
    x = 713,326,997.18/30,884.10
  6. Step 6: Final answer
    x = 23,096.90

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1.5x scale

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.