Home / 30,311.35-41,870.50-27,481.91

Finding the Fourth Proportional to 30,311.35, 41,870.50 and 27,481.91

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Solution

The fourth proportional to 30,311.35, 41,870.50 and 27,481.91 is: 37,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.35 : 41,870.50 = 27,481.91 : x
  2. Step 2: Convert to fraction form
    30,311.35/41,870.50 = 27,481.91/x
  3. Step 3: Cross multiply
    30,311.35x = 41,870.50 × 27,481.91
  4. Step 4: Simplify right side
    30,311.35x = 1,150,681,034.60
  5. Step 5: Solve for x
    x = 1,150,681,034.60/30,311.35
  6. Step 6: Final answer
    x = 37,962.05

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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.