Home / 30,419.52-45,651.36-17,282.88

Finding the Fourth Proportional to 30,419.52, 45,651.36 and 17,282.88

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Solution

The fourth proportional to 30,419.52, 45,651.36 and 17,282.88 is: 25,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.52 : 45,651.36 = 17,282.88 : x
  2. Step 2: Convert to fraction form
    30,419.52/45,651.36 = 17,282.88/x
  3. Step 3: Cross multiply
    30,419.52x = 45,651.36 × 17,282.88
  4. Step 4: Simplify right side
    30,419.52x = 788,986,976.72
  5. Step 5: Solve for x
    x = 788,986,976.72/30,419.52
  6. Step 6: Final answer
    x = 25,936.86

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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.