Home / 52,375.77-72,286.35-30,858.65

Finding the Fourth Proportional to 52,375.77, 72,286.35 and 30,858.65

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Solution

The fourth proportional to 52,375.77, 72,286.35 and 30,858.65 is: 42,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,375.77 : 72,286.35 = 30,858.65 : x
  2. Step 2: Convert to fraction form
    52,375.77/72,286.35 = 30,858.65/x
  3. Step 3: Cross multiply
    52,375.77x = 72,286.35 × 30,858.65
  4. Step 4: Simplify right side
    52,375.77x = 2,230,658,813.00
  5. Step 5: Solve for x
    x = 2,230,658,813.00/52,375.77
  6. Step 6: Final answer
    x = 42,589.52

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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.