Home / 51,337.28-70,843.38-28,675.91

Finding the Fourth Proportional to 51,337.28, 70,843.38 and 28,675.91

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Solution

The fourth proportional to 51,337.28, 70,843.38 and 28,675.91 is: 39,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,337.28 : 70,843.38 = 28,675.91 : x
  2. Step 2: Convert to fraction form
    51,337.28/70,843.38 = 28,675.91/x
  3. Step 3: Cross multiply
    51,337.28x = 70,843.38 × 28,675.91
  4. Step 4: Simplify right side
    51,337.28x = 2,031,498,458.55
  5. Step 5: Solve for x
    x = 2,031,498,458.55/51,337.28
  6. Step 6: Final answer
    x = 39,571.60

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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.