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Finding the Fourth Proportional to 30,059.52, 45,080.16 and 10,326.72

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Solution

The fourth proportional to 30,059.52, 45,080.16 and 10,326.72 is: 15,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059.52 : 45,080.16 = 10,326.72 : x
  2. Step 2: Convert to fraction form
    30,059.52/45,080.16 = 10,326.72/x
  3. Step 3: Cross multiply
    30,059.52x = 45,080.16 × 10,326.72
  4. Step 4: Simplify right side
    30,059.52x = 465,530,189.88
  5. Step 5: Solve for x
    x = 465,530,189.88/30,059.52
  6. Step 6: Final answer
    x = 15,486.95

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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.