Home / 48,755.78-67,302.35-30,601.65

Finding the Fourth Proportional to 48,755.78, 67,302.35 and 30,601.65

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Solution

The fourth proportional to 48,755.78, 67,302.35 and 30,601.65 is: 42,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.78 : 67,302.35 = 30,601.65 : x
  2. Step 2: Convert to fraction form
    48,755.78/67,302.35 = 30,601.65/x
  3. Step 3: Cross multiply
    48,755.78x = 67,302.35 × 30,601.65
  4. Step 4: Simplify right side
    48,755.78x = 2,059,562,958.88
  5. Step 5: Solve for x
    x = 2,059,562,958.88/48,755.78
  6. Step 6: Final answer
    x = 42,242.44

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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.