Home / 50,855.43-70,184.65-28,201.53

Finding the Fourth Proportional to 50,855.43, 70,184.65 and 28,201.53

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Solution

The fourth proportional to 50,855.43, 70,184.65 and 28,201.53 is: 38,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.43 : 70,184.65 = 28,201.53 : x
  2. Step 2: Convert to fraction form
    50,855.43/70,184.65 = 28,201.53/x
  3. Step 3: Cross multiply
    50,855.43x = 70,184.65 × 28,201.53
  4. Step 4: Simplify right side
    50,855.43x = 1,979,314,091.09
  5. Step 5: Solve for x
    x = 1,979,314,091.09/50,855.43
  6. Step 6: Final answer
    x = 38,920.41

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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.