Home / 30,449.10-45,642.51-17,273.64

Finding the Fourth Proportional to 30,449.10, 45,642.51 and 17,273.64

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Solution

The fourth proportional to 30,449.10, 45,642.51 and 17,273.64 is: 25,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449.10 : 45,642.51 = 17,273.64 : x
  2. Step 2: Convert to fraction form
    30,449.10/45,642.51 = 17,273.64/x
  3. Step 3: Cross multiply
    30,449.10x = 45,642.51 × 17,273.64
  4. Step 4: Simplify right side
    30,449.10x = 788,412,286.44
  5. Step 5: Solve for x
    x = 788,412,286.44/30,449.10
  6. Step 6: Final answer
    x = 25,892.79

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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.