Home / 51,197.38-70,650.10-28,538.84

Finding the Fourth Proportional to 51,197.38, 70,650.10 and 28,538.84

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Solution

The fourth proportional to 51,197.38, 70,650.10 and 28,538.84 is: 39,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.38 : 70,650.10 = 28,538.84 : x
  2. Step 2: Convert to fraction form
    51,197.38/70,650.10 = 28,538.84/x
  3. Step 3: Cross multiply
    51,197.38x = 70,650.10 × 28,538.84
  4. Step 4: Simplify right side
    51,197.38x = 2,016,271,899.88
  5. Step 5: Solve for x
    x = 2,016,271,899.88/51,197.38
  6. Step 6: Final answer
    x = 39,382.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.