Home / 49,389.83-68,157.27-28,169.45

Finding the Fourth Proportional to 49,389.83, 68,157.27 and 28,169.45

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Solution

The fourth proportional to 49,389.83, 68,157.27 and 28,169.45 is: 38,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389.83 : 68,157.27 = 28,169.45 : x
  2. Step 2: Convert to fraction form
    49,389.83/68,157.27 = 28,169.45/x
  3. Step 3: Cross multiply
    49,389.83x = 68,157.27 × 28,169.45
  4. Step 4: Simplify right side
    49,389.83x = 1,919,952,468.62
  5. Step 5: Solve for x
    x = 1,919,952,468.62/49,389.83
  6. Step 6: Final answer
    x = 38,873.44

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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.