Home / 51,850.58-71,549.27-28,878.68

Finding the Fourth Proportional to 51,850.58, 71,549.27 and 28,878.68

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Solution

The fourth proportional to 51,850.58, 71,549.27 and 28,878.68 is: 39,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,850.58 : 71,549.27 = 28,878.68 : x
  2. Step 2: Convert to fraction form
    51,850.58/71,549.27 = 28,878.68/x
  3. Step 3: Cross multiply
    51,850.58x = 71,549.27 × 28,878.68
  4. Step 4: Simplify right side
    51,850.58x = 2,066,248,375.32
  5. Step 5: Solve for x
    x = 2,066,248,375.32/51,850.58
  6. Step 6: Final answer
    x = 39,850.05

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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.