Home / 49,384.68-68,137.38-28,156.20

Finding the Fourth Proportional to 49,384.68, 68,137.38 and 28,156.20

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Solution

The fourth proportional to 49,384.68, 68,137.38 and 28,156.20 is: 38,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,384.68 : 68,137.38 = 28,156.20 : x
  2. Step 2: Convert to fraction form
    49,384.68/68,137.38 = 28,156.20/x
  3. Step 3: Cross multiply
    49,384.68x = 68,137.38 × 28,156.20
  4. Step 4: Simplify right side
    49,384.68x = 1,918,489,698.76
  5. Step 5: Solve for x
    x = 1,918,489,698.76/49,384.68
  6. Step 6: Final answer
    x = 38,847.87

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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.