Home / 30,336.52-45,554.18-18,723.56

Finding the Fourth Proportional to 30,336.52, 45,554.18 and 18,723.56

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Solution

The fourth proportional to 30,336.52, 45,554.18 and 18,723.56 is: 28,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.52 : 45,554.18 = 18,723.56 : x
  2. Step 2: Convert to fraction form
    30,336.52/45,554.18 = 18,723.56/x
  3. Step 3: Cross multiply
    30,336.52x = 45,554.18 × 18,723.56
  4. Step 4: Simplify right side
    30,336.52x = 852,936,422.48
  5. Step 5: Solve for x
    x = 852,936,422.48/30,336.52
  6. Step 6: Final answer
    x = 28,115.83

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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.