Home / 30,540.52-45,807.90-9,758.44

Finding the Fourth Proportional to 30,540.52, 45,807.90 and 9,758.44

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Solution

The fourth proportional to 30,540.52, 45,807.90 and 9,758.44 is: 14,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.52 : 45,807.90 = 9,758.44 : x
  2. Step 2: Convert to fraction form
    30,540.52/45,807.90 = 9,758.44/x
  3. Step 3: Cross multiply
    30,540.52x = 45,807.90 × 9,758.44
  4. Step 4: Simplify right side
    30,540.52x = 447,013,643.68
  5. Step 5: Solve for x
    x = 447,013,643.68/30,540.52
  6. Step 6: Final answer
    x = 14,636.74

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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.